cest73 TKM Layout Macro Additions (#20583)

* add matrix_diagram.md

* info.json: apply friendly formatting

* add LAYOUT_ansi_split_bs with reference keymap

* add LAYOUT_iso_split_bs with reference keymap

4 files changed, 553 insertions, 131 deletions

diff --git a/keyboards/cest73/tkm/info.json b/keyboards/cest73/tkm/info.json
index 1acd5b9fb4..234d31d75a 100644
--- a/keyboards/cest73/tkm/info.json
+++ b/keyboards/cest73/tkm/info.json
@@ -27,137 +27,374 @@
     "layouts": {
         "LAYOUT_all": {
             "layout": [
-                {"matrix": [0, 0], "x": 0, "y": 0},
-                {"matrix": [1, 0], "x": 1, "y": 0},
-                {"matrix": [0, 1], "x": 2, "y": 0},
-                {"matrix": [1, 1], "x": 3, "y": 0},
-
-                {"matrix": [0, 2], "x": 4.5, "y": 0},
-
-                {"matrix": [1, 2], "x": 6, "y": 0},
-                {"matrix": [0, 3], "x": 7, "y": 0},
-                {"matrix": [1, 3], "x": 8, "y": 0},
-                {"matrix": [0, 4], "x": 9, "y": 0},
-
-                {"matrix": [1, 4], "x": 10.25, "y": 0},
-                {"matrix": [1, 5], "x": 11.25, "y": 0},
-                {"matrix": [0, 5], "x": 12.25, "y": 0},
-                {"matrix": [0, 6], "x": 13.25, "y": 0},
-
-                {"matrix": [1, 6], "x": 14.5, "y": 0},
-                {"matrix": [0, 7], "x": 15.5, "y": 0},
-                {"matrix": [1, 7], "x": 16.5, "y": 0},
-                {"matrix": [0, 8], "x": 17.5, "y": 0},
-
-                {"matrix": [1, 8], "x": 19, "y": 0},
-                {"matrix": [0, 9], "x": 20, "y": 0},
-
-                {"matrix": [2, 0], "x": 0, "y": 1.5},
-                {"matrix": [3, 0], "x": 1, "y": 1.5},
-                {"matrix": [2, 1], "x": 2, "y": 1.5},
-                {"matrix": [3, 1], "x": 3, "y": 1.5},
-
-                {"matrix": [2, 2], "x": 4.5, "y": 1.5},
-                {"matrix": [3, 2], "x": 5.5, "y": 1.5},
-                {"matrix": [2, 3], "x": 6.5, "y": 1.5},
-                {"matrix": [3, 3], "x": 7.5, "y": 1.5},
-                {"matrix": [2, 4], "x": 8.5, "y": 1.5},
-                {"matrix": [3, 4], "x": 9.5, "y": 1.5},
-                {"matrix": [3, 5], "x": 10.5, "y": 1.5},
-                {"matrix": [2, 5], "x": 11.5, "y": 1.5},
-                {"matrix": [2, 6], "x": 12.5, "y": 1.5},
-                {"matrix": [3, 6], "x": 13.5, "y": 1.5},
-                {"matrix": [2, 7], "x": 14.5, "y": 1.5},
-                {"matrix": [3, 7], "x": 15.5, "y": 1.5},
-                {"matrix": [2, 8], "x": 16.5, "y": 1.5},
-                {"matrix": [1, 9], "x": 17.5, "y": 1.5},
-                {"matrix": [3, 8], "x": 18.5, "y": 1.5},
-
-                {"matrix": [2, 9], "x": 20, "y": 1.5},
-
-                {"matrix": [4, 0], "x": 0, "y": 2.5},
-                {"matrix": [5, 0], "x": 1, "y": 2.5},
-                {"matrix": [4, 1], "x": 2, "y": 2.5},
-                {"matrix": [5, 1], "x": 3, "y": 2.5},
-
-                {"matrix": [4, 2], "x": 4.5, "y": 2.5, "w": 1.5},
-                {"matrix": [5, 2], "x": 6, "y": 2.5},
-                {"matrix": [4, 3], "x": 7, "y": 2.5},
-                {"matrix": [5, 3], "x": 8, "y": 2.5},
-                {"matrix": [4, 4], "x": 9, "y": 2.5},
-                {"matrix": [5, 4], "x": 10, "y": 2.5},
-                {"matrix": [5, 5], "x": 11, "y": 2.5},
-                {"matrix": [4, 5], "x": 12, "y": 2.5},
-                {"matrix": [4, 6], "x": 13, "y": 2.5},
-                {"matrix": [5, 6], "x": 14, "y": 2.5},
-                {"matrix": [4, 7], "x": 15, "y": 2.5},
-                {"matrix": [5, 7], "x": 16, "y": 2.5},
-                {"matrix": [4, 8], "x": 17, "y": 2.5},
-                {"matrix": [5, 8], "x": 18, "y": 2.5, "w": 1.5},
-
-                {"matrix": [4, 9], "x": 20, "y": 2.5},
-
-                {"matrix": [6, 0], "x": 0, "y": 3.5},
-                {"matrix": [7, 0], "x": 1, "y": 3.5},
-                {"matrix": [6, 1], "x": 2, "y": 3.5},
-                {"matrix": [7, 1], "x": 3, "y": 3.5},
-
-                {"matrix": [6, 2], "x": 4.5, "y": 3.5, "w": 1.25},
-                {"matrix": [7, 2], "x": 6.25, "y": 3.5},
-                {"matrix": [6, 3], "x": 7.25, "y": 3.5},
-                {"matrix": [7, 3], "x": 8.25, "y": 3.5},
-                {"matrix": [6, 4], "x": 9.25, "y": 3.5},
-                {"matrix": [7, 4], "x": 10.25, "y": 3.5},
-                {"matrix": [7, 5], "x": 11.25, "y": 3.5},
-                {"matrix": [6, 5], "x": 12.25, "y": 3.5},
-                {"matrix": [6, 6], "x": 13.25, "y": 3.5},
-                {"matrix": [7, 6], "x": 14.25, "y": 3.5},
-                {"matrix": [6, 7], "x": 15.25, "y": 3.5},
-                {"matrix": [7, 7], "x": 16.25, "y": 3.5},
-                {"matrix": [6, 8], "x": 17.25, "y": 3.5},
-                {"matrix": [7, 8], "x": 18.25, "y": 3.5, "w": 1.25},
-
-                {"matrix": [6, 9], "x": 20, "y": 3.5},
-
-                {"matrix": [3, 9], "x": 0, "y": 4.5},
-                {"matrix": [9, 0], "x": 1, "y": 4.5},
-                {"matrix": [8, 1], "x": 2, "y": 4.5},
-                {"matrix": [9, 1], "x": 3, "y": 4.5},
-
-                {"matrix": [8, 2], "x": 4.5, "y": 4.5, "w": 1.25},
-                {"matrix": [9, 2], "x": 5.75, "y": 4.5},
-                {"matrix": [8, 3], "x": 6.75, "y": 4.5},
-                {"matrix": [9, 3], "x": 7.75, "y": 4.5},
-                {"matrix": [8, 4], "x": 8.75, "y": 4.5},
-                {"matrix": [9, 4], "x": 9.75, "y": 4.5},
-                {"matrix": [9, 5], "x": 10.75, "y": 4.5},
-                {"matrix": [8, 5], "x": 11.75, "y": 4.5},
-                {"matrix": [8, 6], "x": 12.75, "y": 4.5},
-                {"matrix": [9, 6], "x": 13.75, "y": 4.5},
-                {"matrix": [8, 7], "x": 14.75, "y": 4.5},
-                {"matrix": [9, 7], "x": 15.75, "y": 4.5},
-                {"matrix": [8, 8], "x": 16.75, "y": 4.5, "w": 1.75},
-
-                {"matrix": [9, 8], "x": 18.75, "y": 4.75},
-
-                {"matrix": [8, 9], "x": 20, "y": 4.5},
-
-                {"matrix": [8, 0], "x": 0, "y": 5.5},
-                {"matrix": [10, 0], "x": 1, "y": 5.5},
-                {"matrix": [5, 9], "x": 2, "y": 5.5},
-                {"matrix": [10, 1], "x": 3, "y": 5.5},
-
-                {"matrix": [10, 2], "x": 4.5, "y": 5.5, "w": 1.25},
-                {"matrix": [10, 3], "x": 5.75, "y": 5.5},
-                {"matrix": [10, 4], "x": 6.75, "y": 5.5, "w": 1.25},
-                {"matrix": [10, 5], "x": 8, "y": 5.5, "w": 6.25},
-                {"matrix": [10, 6], "x": 14.25, "y": 5.5},
-                {"matrix": [10, 7], "x": 15.25, "y": 5.5},
-                {"matrix": [10, 8], "x": 16.25, "y": 5.5, "w": 1.25},
-
-                {"matrix": [10, 9], "x": 17.75, "y": 5.75},
-                {"matrix": [9, 9], "x": 18.75, "y": 5.75},
-                {"matrix": [7, 9], "x": 19.75, "y": 5.75}
+                {"label": "Fn", "matrix": [0, 0], "x": 0, "y": 0},
+                {"label": "Print Screen", "matrix": [1, 0], "x": 1, "y": 0},
+                {"label": "Scroll Lock", "matrix": [0, 1], "x": 2, "y": 0},
+                {"label": "Pause", "matrix": [1, 1], "x": 3, "y": 0},
+
+                {"label": "Esc", "matrix": [0, 2], "x": 4.5, "y": 0},
+
+                {"label": "F1", "matrix": [1, 2], "x": 6, "y": 0},
+                {"label": "F2", "matrix": [0, 3], "x": 7, "y": 0},
+                {"label": "F3", "matrix": [1, 3], "x": 8, "y": 0},
+                {"label": "F4", "matrix": [0, 4], "x": 9, "y": 0},
+
+                {"label": "F5", "matrix": [1, 4], "x": 10.25, "y": 0},
+                {"label": "F6", "matrix": [1, 5], "x": 11.25, "y": 0},
+                {"label": "F7", "matrix": [0, 5], "x": 12.25, "y": 0},
+                {"label": "F8", "matrix": [0, 6], "x": 13.25, "y": 0},
+
+                {"label": "F9", "matrix": [1, 6], "x": 14.5, "y": 0},
+                {"label": "F10", "matrix": [0, 7], "x": 15.5, "y": 0},
+                {"label": "F11", "matrix": [1, 7], "x": 16.5, "y": 0},
+                {"label": "F12", "matrix": [0, 8], "x": 17.5, "y": 0},
+
+                {"label": "Home", "matrix": [1, 8], "x": 19, "y": 0},
+                {"label": "Page Up", "matrix": [0, 9], "x": 20, "y": 0},
+
+                {"label": "-", "matrix": [2, 0], "x": 0, "y": 1.5},
+                {"label": "*", "matrix": [3, 0], "x": 1, "y": 1.5},
+                {"label": "/", "matrix": [2, 1], "x": 2, "y": 1.5},
+                {"label": "Num Lock", "matrix": [3, 1], "x": 3, "y": 1.5},
+
+                {"label": "`", "matrix": [2, 2], "x": 4.5, "y": 1.5},
+                {"label": "1", "matrix": [3, 2], "x": 5.5, "y": 1.5},
+                {"label": "2", "matrix": [2, 3], "x": 6.5, "y": 1.5},
+                {"label": "3", "matrix": [3, 3], "x": 7.5, "y": 1.5},
+                {"label": "4", "matrix": [2, 4], "x": 8.5, "y": 1.5},
+                {"label": "5", "matrix": [3, 4], "x": 9.5, "y": 1.5},
+                {"label": "6", "matrix": [3, 5], "x": 10.5, "y": 1.5},
+                {"label": "7", "matrix": [2, 5], "x": 11.5, "y": 1.5},
+                {"label": "8", "matrix": [2, 6], "x": 12.5, "y": 1.5},
+                {"label": "9", "matrix": [3, 6], "x": 13.5, "y": 1.5},
+                {"label": "0", "matrix": [2, 7], "x": 14.5, "y": 1.5},
+                {"label": "-", "matrix": [3, 7], "x": 15.5, "y": 1.5},
+                {"label": "=", "matrix": [2, 8], "x": 16.5, "y": 1.5},
+                {"label": "\\", "matrix": [1, 9], "x": 17.5, "y": 1.5},
+                {"label": "Backspace", "matrix": [3, 8], "x": 18.5, "y": 1.5},
+
+                {"label": "Insert", "matrix": [2, 9], "x": 20, "y": 1.5},
+
+                {"label": "+", "matrix": [4, 0], "x": 0, "y": 2.5},
+                {"label": "9", "matrix": [5, 0], "x": 1, "y": 2.5},
+                {"label": "8", "matrix": [4, 1], "x": 2, "y": 2.5},
+                {"label": "7", "matrix": [5, 1], "x": 3, "y": 2.5},
+
+                {"label": "Tab", "matrix": [4, 2], "x": 4.5, "y": 2.5, "w": 1.5},
+                {"label": "Q", "matrix": [5, 2], "x": 6, "y": 2.5},
+                {"label": "W", "matrix": [4, 3], "x": 7, "y": 2.5},
+                {"label": "E", "matrix": [5, 3], "x": 8, "y": 2.5},
+                {"label": "R", "matrix": [4, 4], "x": 9, "y": 2.5},
+                {"label": "T", "matrix": [5, 4], "x": 10, "y": 2.5},
+                {"label": "Y", "matrix": [5, 5], "x": 11, "y": 2.5},
+                {"label": "U", "matrix": [4, 5], "x": 12, "y": 2.5},
+                {"label": "I", "matrix": [4, 6], "x": 13, "y": 2.5},
+                {"label": "O", "matrix": [5, 6], "x": 14, "y": 2.5},
+                {"label": "P", "matrix": [4, 7], "x": 15, "y": 2.5},
+                {"label": "[", "matrix": [5, 7], "x": 16, "y": 2.5},
+                {"label": "]", "matrix": [4, 8], "x": 17, "y": 2.5},
+                {"label": "\\", "matrix": [5, 8], "x": 18, "y": 2.5, "w": 1.5},
+
+                {"label": "Delete", "matrix": [4, 9], "x": 20, "y": 2.5},
+
+                {"label": "=", "matrix": [6, 0], "x": 0, "y": 3.5},
+                {"label": "6", "matrix": [7, 0], "x": 1, "y": 3.5},
+                {"label": "5", "matrix": [6, 1], "x": 2, "y": 3.5},
+                {"label": "4", "matrix": [7, 1], "x": 3, "y": 3.5},
+
+                {"label": "Caps Lock", "matrix": [6, 2], "x": 4.5, "y": 3.5, "w": 1.25},
+                {"label": "A", "matrix": [7, 2], "x": 6.25, "y": 3.5},
+                {"label": "S", "matrix": [6, 3], "x": 7.25, "y": 3.5},
+                {"label": "D", "matrix": [7, 3], "x": 8.25, "y": 3.5},
+                {"label": "F", "matrix": [6, 4], "x": 9.25, "y": 3.5},
+                {"label": "G", "matrix": [7, 4], "x": 10.25, "y": 3.5},
+                {"label": "H", "matrix": [7, 5], "x": 11.25, "y": 3.5},
+                {"label": "J", "matrix": [6, 5], "x": 12.25, "y": 3.5},
+                {"label": "K", "matrix": [6, 6], "x": 13.25, "y": 3.5},
+                {"label": "L", "matrix": [7, 6], "x": 14.25, "y": 3.5},
+                {"label": ";", "matrix": [6, 7], "x": 15.25, "y": 3.5},
+                {"label": "'", "matrix": [7, 7], "x": 16.25, "y": 3.5},
+                {"label": "#", "matrix": [6, 8], "x": 17.25, "y": 3.5},
+                {"label": "Enter", "matrix": [7, 8], "x": 18.25, "y": 3.5, "w": 1.25},
+
+                {"label": "Page Down", "matrix": [6, 9], "x": 20, "y": 3.5},
+
+                {"label": "Tab", "matrix": [3, 9], "x": 0, "y": 4.5},
+                {"label": "3", "matrix": [9, 0], "x": 1, "y": 4.5},
+                {"label": "2", "matrix": [8, 1], "x": 2, "y": 4.5},
+                {"label": "1", "matrix": [9, 1], "x": 3, "y": 4.5},
+
+                {"label": "Shift", "matrix": [8, 2], "x": 4.5, "y": 4.5, "w": 1.25},
+                {"label": "\\", "matrix": [9, 2], "x": 5.75, "y": 4.5},
+                {"label": "Z", "matrix": [8, 3], "x": 6.75, "y": 4.5},
+                {"label": "X", "matrix": [9, 3], "x": 7.75, "y": 4.5},
+                {"label": "C", "matrix": [8, 4], "x": 8.75, "y": 4.5},
+                {"label": "V", "matrix": [9, 4], "x": 9.75, "y": 4.5},
+                {"label": "B", "matrix": [9, 5], "x": 10.75, "y": 4.5},
+                {"label": "N", "matrix": [8, 5], "x": 11.75, "y": 4.5},
+                {"label": "M", "matrix": [8, 6], "x": 12.75, "y": 4.5},
+                {"label": ",", "matrix": [9, 6], "x": 13.75, "y": 4.5},
+                {"label": ".", "matrix": [8, 7], "x": 14.75, "y": 4.5},
+                {"label": "/", "matrix": [9, 7], "x": 15.75, "y": 4.5},
+                {"label": "Shift", "matrix": [8, 8], "x": 16.75, "y": 4.5, "w": 1.75},
+
+                {"label": "\u2191", "matrix": [9, 8], "x": 18.75, "y": 4.75},
+
+                {"label": "End", "matrix": [8, 9], "x": 20, "y": 4.5},
+
+                {"label": "Enter", "matrix": [8, 0], "x": 0, "y": 5.5},
+                {"label": ".", "matrix": [10, 0], "x": 1, "y": 5.5},
+                {"label": ",", "matrix": [5, 9], "x": 2, "y": 5.5},
+                {"label": "0", "matrix": [10, 1], "x": 3, "y": 5.5},
+
+                {"label": "Ctrl", "matrix": [10, 2], "x": 4.5, "y": 5.5, "w": 1.25},
+                {"label": "GUI", "matrix": [10, 3], "x": 5.75, "y": 5.5},
+                {"label": "Alt", "matrix": [10, 4], "x": 6.75, "y": 5.5, "w": 1.25},
+                {"label": "Space", "matrix": [10, 5], "x": 8, "y": 5.5, "w": 6.25},
+                {"label": "Alt", "matrix": [10, 6], "x": 14.25, "y": 5.5},
+                {"label": "Menu", "matrix": [10, 7], "x": 15.25, "y": 5.5},
+                {"label": "Ctrl", "matrix": [10, 8], "x": 16.25, "y": 5.5, "w": 1.25},
+
+                {"label": "\u2190", "matrix": [10, 9], "x": 17.75, "y": 5.75},
+                {"label": "\u2193", "matrix": [9, 9], "x": 18.75, "y": 5.75},
+                {"label": "\u2192", "matrix": [7, 9], "x": 19.75, "y": 5.75}
+            ]
+        },
+
+        "LAYOUT_ansi_split_bs": {
+            "layout": [
+                { "label": "Fn", "matrix": [0, 0], "x": 0, "y": 0 },
+                { "label": "PrtSc", "matrix": [1, 0], "x": 1, "y": 0 },
+                { "label": "Scroll Lock", "matrix": [0, 1], "x": 2, "y": 0 },
+                { "label": "Pause", "matrix": [1, 1], "x": 3, "y": 0 },
+                { "label": "Esc", "matrix": [0, 2], "x": 4.5, "y": 0 },
+                { "label": "F1", "matrix": [1, 2], "x": 6, "y": 0 },
+                { "label": "F2", "matrix": [0, 3], "x": 7, "y": 0 },
+                { "label": "F3", "matrix": [1, 3], "x": 8, "y": 0 },
+                { "label": "F4", "matrix": [0, 4], "x": 9, "y": 0 },
+                { "label": "F5", "matrix": [1, 4], "x": 10.25, "y": 0 },
+                { "label": "F6", "matrix": [1, 5], "x": 11.25, "y": 0 },
+                { "label": "F7", "matrix": [0, 5], "x": 12.25, "y": 0 },
+                { "label": "F8", "matrix": [0, 6], "x": 13.25, "y": 0 },
+                { "label": "F9", "matrix": [1, 6], "x": 14.5, "y": 0 },
+                { "label": "F10", "matrix": [0, 7], "x": 15.5, "y": 0 },
+                { "label": "F11", "matrix": [1, 7], "x": 16.5, "y": 0 },
+                { "label": "F12", "matrix": [0, 8], "x": 17.5, "y": 0 },
+                { "label": "Home", "matrix": [1, 8], "x": 19, "y": 0 },
+                { "label": "PgUp", "matrix": [0, 9], "x": 20, "y": 0 },
+
+                { "label": "-", "matrix": [2, 0], "x": 0, "y": 1.5 },
+                { "label": "*", "matrix": [3, 0], "x": 1, "y": 1.5 },
+                { "label": "/", "matrix": [2, 1], "x": 2, "y": 1.5 },
+                { "label": "Num Lock", "matrix": [3, 1], "x": 3, "y": 1.5 },
+                { "label": "~", "matrix": [2, 2], "x": 4.5, "y": 1.5 },
+                { "label": "!", "matrix": [3, 2], "x": 5.5, "y": 1.5 },
+                { "label": "@", "matrix": [2, 3], "x": 6.5, "y": 1.5 },
+                { "label": "#", "matrix": [3, 3], "x": 7.5, "y": 1.5 },
+                { "label": "$", "matrix": [2, 4], "x": 8.5, "y": 1.5 },
+                { "label": "%", "matrix": [3, 4], "x": 9.5, "y": 1.5 },
+                { "label": "^", "matrix": [3, 5], "x": 10.5, "y": 1.5 },
+                { "label": "&", "matrix": [2, 5], "x": 11.5, "y": 1.5 },
+                { "label": "*", "matrix": [2, 6], "x": 12.5, "y": 1.5 },
+                { "label": "(", "matrix": [3, 6], "x": 13.5, "y": 1.5 },
+                { "label": ")", "matrix": [2, 7], "x": 14.5, "y": 1.5 },
+                { "label": "_", "matrix": [3, 7], "x": 15.5, "y": 1.5 },
+                { "label": "+", "matrix": [2, 8], "x": 16.5, "y": 1.5 },
+                { "label": "Backspace", "matrix": [1, 9], "x": 17.5, "y": 1.5 },
+                { "label": "Backspace", "matrix": [3, 8], "x": 18.5, "y": 1.5 },
+                { "label": "Insert", "matrix": [2, 9], "x": 20, "y": 1.5 },
+
+                { "label": "+", "matrix": [4, 0], "x": 0, "y": 2.5 },
+                { "label": "9", "matrix": [5, 0], "x": 1, "y": 2.5 },
+                { "label": "8", "matrix": [4, 1], "x": 2, "y": 2.5 },
+                { "label": "7", "matrix": [5, 1], "x": 3, "y": 2.5 },
+                { "label": "Tab", "matrix": [4, 2], "x": 4.5, "y": 2.5, "w": 1.5 },
+                { "label": "Q", "matrix": [5, 2], "x": 6, "y": 2.5 },
+                { "label": "W", "matrix": [4, 3], "x": 7, "y": 2.5 },
+                { "label": "E", "matrix": [5, 3], "x": 8, "y": 2.5 },
+                { "label": "R", "matrix": [4, 4], "x": 9, "y": 2.5 },
+                { "label": "T", "matrix": [5, 4], "x": 10, "y": 2.5 },
+                { "label": "Y", "matrix": [5, 5], "x": 11, "y": 2.5 },
+                { "label": "U", "matrix": [4, 5], "x": 12, "y": 2.5 },
+                { "label": "I", "matrix": [4, 6], "x": 13, "y": 2.5 },
+                { "label": "O", "matrix": [5, 6], "x": 14, "y": 2.5 },
+                { "label": "P", "matrix": [4, 7], "x": 15, "y": 2.5 },
+                { "label": "{", "matrix": [5, 7], "x": 16, "y": 2.5 },
+                { "label": "}", "matrix": [4, 8], "x": 17, "y": 2.5 },
+                { "label": "|", "matrix": [5, 8], "x": 18, "y": 2.5, "w": 1.5 },
+                { "label": "Delete", "matrix": [4, 9], "x": 20, "y": 2.5 },
+
+                { "label": "+", "matrix": [6, 0], "x": 0, "y": 3.5 },
+                { "label": "6", "matrix": [7, 0], "x": 1, "y": 3.5 },
+                { "label": "5", "matrix": [6, 1], "x": 2, "y": 3.5 },
+                { "label": "4", "matrix": [7, 1], "x": 3, "y": 3.5 },
+                { "label": "CAPS", "matrix": [6, 2], "x": 4.5, "y": 3.5, "w": 1.25 },
+                { "label": "A", "matrix": [7, 2], "x": 6.25, "y": 3.5 },
+                { "label": "S", "matrix": [6, 3], "x": 7.25, "y": 3.5 },
+                { "label": "D", "matrix": [7, 3], "x": 8.25, "y": 3.5 },
+                { "label": "F", "matrix": [6, 4], "x": 9.25, "y": 3.5 },
+                { "label": "G", "matrix": [7, 4], "x": 10.25, "y": 3.5 },
+                { "label": "H", "matrix": [7, 5], "x": 11.25, "y": 3.5 },
+                { "label": "J", "matrix": [6, 5], "x": 12.25, "y": 3.5 },
+                { "label": "K", "matrix": [6, 6], "x": 13.25, "y": 3.5 },
+                { "label": "L", "matrix": [7, 6], "x": 14.25, "y": 3.5 },
+                { "label": ":", "matrix": [6, 7], "x": 15.25, "y": 3.5 },
+                { "label": "\"", "matrix": [7, 7], "x": 16.25, "y": 3.5 },
+                { "label": "Enter", "matrix": [7, 8], "x": 17.25, "y": 3.5, "w": 2.25 },
+                { "label": "PgDn", "matrix": [6, 9], "x": 20, "y": 3.5 },
+
+                { "label": "Enter", "matrix": [3, 9], "x": 0, "y": 4.5 },
+                { "label": "3", "matrix": [9, 0], "x": 1, "y": 4.5 },
+                { "label": "2", "matrix": [8, 1], "x": 2, "y": 4.5 },
+                { "label": "1", "matrix": [9, 1], "x": 3, "y": 4.5 },
+                { "label": "Shift", "matrix": [8, 2], "x": 4.5, "y": 4.5, "w": 2.25 },
+                { "label": "Z", "matrix": [8, 3], "x": 6.75, "y": 4.5 },
+                { "label": "X", "matrix": [9, 3], "x": 7.75, "y": 4.5 },
+                { "label": "C", "matrix": [8, 4], "x": 8.75, "y": 4.5 },
+                { "label": "V", "matrix": [9, 4], "x": 9.75, "y": 4.5 },
+                { "label": "B", "matrix": [9, 5], "x": 10.75, "y": 4.5 },
+                { "label": "N", "matrix": [8, 5], "x": 11.75, "y": 4.5 },
+                { "label": "M", "matrix": [8, 6], "x": 12.75, "y": 4.5 },
+                { "label": "<", "matrix": [9, 6], "x": 13.75, "y": 4.5 },
+                { "label": ">", "matrix": [8, 7], "x": 14.75, "y": 4.5 },
+                { "label": "?", "matrix": [9, 7], "x": 15.75, "y": 4.5 },
+                { "label": "Shift", "matrix": [8, 8], "x": 16.75, "y": 4.5, "w": 1.75 },
+                { "label": "\u2191", "matrix": [9, 8], "x": 18.75, "y": 4.75 },
+                { "label": "End", "matrix": [8, 9], "x": 20, "y": 4.5 },
+
+                { "label": "Enter", "matrix": [8, 0], "x": 0, "y": 5.5 },
+                { "label": ".", "matrix": [10, 0], "x": 1, "y": 5.5 },
+                { "label": ",", "matrix": [5, 9], "x": 2, "y": 5.5 },
+                { "label": "0", "matrix": [10, 1], "x": 3, "y": 5.5 },
+                { "label": "Ctrl", "matrix": [10, 2], "x": 4.5, "y": 5.5, "w": 1.25 },
+                { "label": "Win", "matrix": [10, 3], "x": 5.75, "y": 5.5 },
+                { "label": "Alt", "matrix": [10, 4], "x": 6.75, "y": 5.5, "w": 1.25 },
+                { "label": "Space", "matrix": [10, 5], "x": 8, "y": 5.5, "w": 6.25 },
+                { "label": "AltGr", "matrix": [10, 6], "x": 14.25, "y": 5.5 },
+                { "label": "Menu", "matrix": [10, 7], "x": 15.25, "y": 5.5 },
+                { "label": "Ctrl", "matrix": [10, 8], "x": 16.25, "y": 5.5, "w": 1.25 },
+                { "label": "\u2190", "matrix": [10, 9], "x": 17.75, "y": 5.75 },
+                { "label": "\u2193", "matrix": [9, 9], "x": 18.75, "y": 5.75 },
+                { "label": "\u2192", "matrix": [7, 9], "x": 19.75, "y": 5.75 }
+            ]
+        },
+
+        "LAYOUT_iso_split_bs": {
+            "layout": [
+                { "label": "Fn", "matrix": [0, 0], "x": 0, "y": 0 },
+                { "label": "PrtSc", "matrix": [1, 0], "x": 1, "y": 0 },
+                { "label": "Scroll Lock", "matrix": [0, 1], "x": 2, "y": 0 },
+                { "label": "Pause", "matrix": [1, 1], "x": 3, "y": 0 },
+                { "label": "Esc", "matrix": [0, 2], "x": 4.5, "y": 0 },
+                { "label": "F1", "matrix": [1, 2], "x": 6, "y": 0 },
+                { "label": "F2", "matrix": [0, 3], "x": 7, "y": 0 },
+                { "label": "F3", "matrix": [1, 3], "x": 8, "y": 0 },
+                { "label": "F4", "matrix": [0, 4], "x": 9, "y": 0 },
+                { "label": "F5", "matrix": [1, 4], "x": 10.25, "y": 0 },
+                { "label": "F6", "matrix": [1, 5], "x": 11.25, "y": 0 },
+                { "label": "F7", "matrix": [0, 5], "x": 12.25, "y": 0 },
+                { "label": "F8", "matrix": [0, 6], "x": 13.25, "y": 0 },
+                { "label": "F9", "matrix": [1, 6], "x": 14.5, "y": 0 },
+                { "label": "F10", "matrix": [0, 7], "x": 15.5, "y": 0 },
+                { "label": "F11", "matrix": [1, 7], "x": 16.5, "y": 0 },
+                { "label": "F12", "matrix": [0, 8], "x": 17.5, "y": 0 },
+                { "label": "Home", "matrix": [1, 8], "x": 19, "y": 0 },
+                { "label": "PgUp", "matrix": [0, 9], "x": 20, "y": 0 },
+
+                { "label": "-", "matrix": [2, 0], "x": 0, "y": 1.5 },
+                { "label": "*", "matrix": [3, 0], "x": 1, "y": 1.5 },
+                { "label": "/", "matrix": [2, 1], "x": 2, "y": 1.5 },
+                { "label": "Num Lock", "matrix": [3, 1], "x": 3, "y": 1.5 },
+                { "label": "\u00ac", "matrix": [2, 2], "x": 4.5, "y": 1.5 },
+                { "label": "!", "matrix": [3, 2], "x": 5.5, "y": 1.5 },
+                { "label": "\"", "matrix": [2, 3], "x": 6.5, "y": 1.5 },
+                { "label": "\u00a3", "matrix": [3, 3], "x": 7.5, "y": 1.5 },
+                { "label": "$", "matrix": [2, 4], "x": 8.5, "y": 1.5 },
+                { "label": "%", "matrix": [3, 4], "x": 9.5, "y": 1.5 },
+                { "label": "^", "matrix": [3, 5], "x": 10.5, "y": 1.5 },
+                { "label": "&", "matrix": [2, 5], "x": 11.5, "y": 1.5 },
+                { "label": "*", "matrix": [2, 6], "x": 12.5, "y": 1.5 },
+                { "label": "(", "matrix": [3, 6], "x": 13.5, "y": 1.5 },
+                { "label": ")", "matrix": [2, 7], "x": 14.5, "y": 1.5 },
+                { "label": "_", "matrix": [3, 7], "x": 15.5, "y": 1.5 },
+                { "label": "+", "matrix": [2, 8], "x": 16.5, "y": 1.5 },
+                { "label": "Backspace", "matrix": [1, 9], "x": 17.5, "y": 1.5 },
+                { "label": "Backspace", "matrix": [3, 8], "x": 18.5, "y": 1.5 },
+                { "label": "Insert", "matrix": [2, 9], "x": 20, "y": 1.5 },
+
+                { "label": "+", "matrix": [4, 0], "x": 0, "y": 2.5 },
+                { "label": "9", "matrix": [5, 0], "x": 1, "y": 2.5 },
+                { "label": "8", "matrix": [4, 1], "x": 2, "y": 2.5 },
+                { "label": "7", "matrix": [5, 1], "x": 3, "y": 2.5 },
+                { "label": "Tab", "matrix": [4, 2], "x": 4.5, "y": 2.5, "w": 1.5 },
+                { "label": "Q", "matrix": [5, 2], "x": 6, "y": 2.5 },
+                { "label": "W", "matrix": [4, 3], "x": 7, "y": 2.5 },
+                { "label": "E", "matrix": [5, 3], "x": 8, "y": 2.5 },
+                { "label": "R", "matrix": [4, 4], "x": 9, "y": 2.5 },
+                { "label": "T", "matrix": [5, 4], "x": 10, "y": 2.5 },
+                { "label": "Y", "matrix": [5, 5], "x": 11, "y": 2.5 },
+                { "label": "U", "matrix": [4, 5], "x": 12, "y": 2.5 },
+                { "label": "I", "matrix": [4, 6], "x": 13, "y": 2.5 },
+                { "label": "O", "matrix": [5, 6], "x": 14, "y": 2.5 },
+                { "label": "P", "matrix": [4, 7], "x": 15, "y": 2.5 },
+                { "label": "{", "matrix": [5, 7], "x": 16, "y": 2.5 },
+                { "label": "}", "matrix": [4, 8], "x": 17, "y": 2.5 },
+                { "label": "Delete", "matrix": [4, 9], "x": 20, "y": 2.5 },
+
+                { "label": "+", "matrix": [6, 0], "x": 0, "y": 3.5 },
+                { "label": "6", "matrix": [7, 0], "x": 1, "y": 3.5 },
+                { "label": "5", "matrix": [6, 1], "x": 2, "y": 3.5 },
+                { "label": "4", "matrix": [7, 1], "x": 3, "y": 3.5 },
+                { "label": "CAPS", "matrix": [6, 2], "x": 4.5, "y": 3.5, "w": 1.25 },
+                { "label": "A", "matrix": [7, 2], "x": 6.25, "y": 3.5 },
+                { "label": "S", "matrix": [6, 3], "x": 7.25, "y": 3.5 },
+                { "label": "D", "matrix": [7, 3], "x": 8.25, "y": 3.5 },
+                { "label": "F", "matrix": [6, 4], "x": 9.25, "y": 3.5 },
+                { "label": "G", "matrix": [7, 4], "x": 10.25, "y": 3.5 },
+                { "label": "H", "matrix": [7, 5], "x": 11.25, "y": 3.5 },
+                { "label": "J", "matrix": [6, 5], "x": 12.25, "y": 3.5 },
+                { "label": "K", "matrix": [6, 6], "x": 13.25, "y": 3.5 },
+                { "label": "L", "matrix": [7, 6], "x": 14.25, "y": 3.5 },
+                { "label": ":", "matrix": [6, 7], "x": 15.25, "y": 3.5 },
+                { "label": "@", "matrix": [7, 7], "x": 16.25, "y": 3.5 },
+                { "label": "~", "matrix": [6, 8], "x": 17.25, "y": 3.5 },
+                { "label": "Enter", "matrix": [7, 8], "x": 18.25, "y": 2.5, "w": 1.25, "h": 2 },
+                { "label": "PgDn", "matrix": [6, 9], "x": 20, "y": 3.5 },
+
+                { "label": "Enter", "matrix": [3, 9], "x": 0, "y": 4.5 },
+                { "label": "3", "matrix": [9, 0], "x": 1, "y": 4.5 },
+                { "label": "2", "matrix": [8, 1], "x": 2, "y": 4.5 },
+                { "label": "1", "matrix": [9, 1], "x": 3, "y": 4.5 },
+                { "label": "Shift", "matrix": [8, 2], "x": 4.5, "y": 4.5, "w": 1.25 },
+                { "label": "|", "matrix": [9, 2], "x": 5.75, "y": 4.5 },
+                { "label": "Z", "matrix": [8, 3], "x": 6.75, "y": 4.5 },
+                { "label": "X", "matrix": [9, 3], "x": 7.75, "y": 4.5 },
+                { "label": "C", "matrix": [8, 4], "x": 8.75, "y": 4.5 },
+                { "label": "V", "matrix": [9, 4], "x": 9.75, "y": 4.5 },
+                { "label": "B", "matrix": [9, 5], "x": 10.75, "y": 4.5 },
+                { "label": "N", "matrix": [8, 5], "x": 11.75, "y": 4.5 },
+                { "label": "M", "matrix": [8, 6], "x": 12.75, "y": 4.5 },
+                { "label": "<", "matrix": [9, 6], "x": 13.75, "y": 4.5 },
+                { "label": ">", "matrix": [8, 7], "x": 14.75, "y": 4.5 },
+                { "label": "?", "matrix": [9, 7], "x": 15.75, "y": 4.5 },
+                { "label": "Shift", "matrix": [8, 8], "x": 16.75, "y": 4.5, "w": 1.75 },
+                { "label": "\u2191", "matrix": [9, 8], "x": 18.75, "y": 4.75 },
+                { "label": "End", "matrix": [8, 9], "x": 20, "y": 4.5 },
+
+                { "label": "Enter", "matrix": [8, 0], "x": 0, "y": 5.5 },
+                { "label": ".", "matrix": [10, 0], "x": 1, "y": 5.5 },
+                { "label": ",", "matrix": [5, 9], "x": 2, "y": 5.5 },
+                { "label": "0", "matrix": [10, 1], "x": 3, "y": 5.5 },
+                { "label": "Ctrl", "matrix": [10, 2], "x": 4.5, "y": 5.5, "w": 1.25 },
+                { "label": "Win", "matrix": [10, 3], "x": 5.75, "y": 5.5 },
+                { "label": "Alt", "matrix": [10, 4], "x": 6.75, "y": 5.5, "w": 1.25 },
+                { "label": "Space", "matrix": [10, 5], "x": 8, "y": 5.5, "w": 6.25 },
+                { "label": "AltGr", "matrix": [10, 6], "x": 14.25, "y": 5.5 },
+                { "label": "Menu", "matrix": [10, 7], "x": 15.25, "y": 5.5 },
+                { "label": "Ctrl", "matrix": [10, 8], "x": 16.25, "y": 5.5, "w": 1.25 },
+                { "label": "\u2190", "matrix": [10, 9], "x": 17.75, "y": 5.75 },
+                { "label": "\u2193", "matrix": [9, 9], "x": 18.75, "y": 5.75 },
+                { "label": "\u2192", "matrix": [7, 9], "x": 19.75, "y": 5.75 }
             ]
         }
     }
diff --git a/keyboards/cest73/tkm/keymaps/default_ansi_split_bs/keymap.c b/keyboards/cest73/tkm/keymaps/default_ansi_split_bs/keymap.c
new file mode 100644
index 0000000000..1b4acb4cf7
--- /dev/null
+++ b/keyboards/cest73/tkm/keymaps/default_ansi_split_bs/keymap.c
@@ -0,0 +1,79 @@
+ /* Copyright 2021 cest73
+  *
+  * This program is free software: you can redistribute it and/or modify
+  * it under the terms of the GNU General Public License as published by
+  * the Free Software Foundation, either version 2 of the License, or
+  * (at your option) any later version.
+  *
+  * This program is distributed in the hope that it will be useful,
+  * but WITHOUT ANY WARRANTY; without even the implied warranty of
+  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  * GNU General Public License for more details.
+  *
+  * You should have received a copy of the GNU General Public License
+  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+  */
+#include QMK_KEYBOARD_H
+
+// Defines names for use in layer keycodes and the keymap
+enum layer_names {
+		_BASE,
+		_FN
+};
+
+/*
+ * ┌───┬───┬───┬───┐ ┌───┐ ┌───┬───┬───┬───┐┌───┬───┬───┬───┐┌───┬───┬───┬───┐ ┌───┬───┐
+ * │Fn │PSc│Scr│Pse│ │Esc│ │F1 │F2 │F3 │F4 ││F5 │F6 │F7 │F8 ││F9 │F10│F11│F12│ │Hme│PgU│
+ * └───┴───┴───┴───┘ └───┘ └───┴───┴───┴───┘└───┴───┴───┴───┘└───┴───┴───┴───┘ └───┴───┘
+ *
+ * ┌───┬───┬───┬───┐ ┌───┬───┬───┬───┬───┬───┬───┬───┬───┬───┬───┬───┬───┬───┬───┐ ┌───┐
+ * │ - │ * │ / │Num│ │ ` │ 1 │ 2 │ 3 │ 4 │ 5 │ 6 │ 7 │ 8 │ 9 │ 0 │ - │ = │Bsl│Bsp│ │Ins│
+ * ├───┼───┼───┼───┤ ├───┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴───┤ ├───┤
+ * │ + │ 9 │ 8 │ 7 │ │ Tab │ Q │ W │ E │ R │ T │ Y │ U │ I │ O │ P │ [ │ ] │  \  │ │Del│
+ * ├───┼───┼───┼───┤ ├─────┴┬──┴┬──┴┬──┴┬──┴┬──┴┬──┴┬──┴┬──┴┬──┴┬──┴┬──┴┬──┴─────┤ ├───┤
+ * │ = │ 6 │ 5 │ 4 │ │ Caps │ A │ S │ D │ F │ G │ H │ J │ K │ L │ ; │ ' │  Enter │ │PgD│
+ * ├───┼───┼───┼───┤ ├──────┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴────┬───┘ ├───┤
+ * │Tab│ 3 │ 2 │ 1 │ │ Shift  │ Z │ X │ C │ V │ B │ N │ M │ , │ . │ / │ Shift│┌───┐│End│
+ * ├───┼───┼───┼───┤ ├────┬───┼───┴┬──┴───┴───┴───┴───┴───┴─┬─┴─┬─┴─┬─┴──┬───┘│ ↑ │└───┘
+ * │Ent│ . │ , │ 0 │ │Ctrl│GUI│Alt │                        │Alt│Mnu│Ctrl│┌───┼───┼───┐
+ * └───┴───┴───┴───┘ └────┴───┴────┴────────────────────────┴───┴───┴────┘│ ← │ ↓ │ → │
+ *                                                                        └───┴───┴───┘
+ */
+ /*
+ * ┌───┬───┬───┬───┐ ┌───┐ ┌───┬───┬───┬───┐┌───┬───┬───┬───┐┌───┬───┬───┬───┐ ┌───┬───┐
+ * │   │   │   │   │ │Rst│ │   │   │   │   ││   │   │   │   ││   │   │   │   │ │   │   │
+ * └───┴───┴───┴───┘ └───┘ └───┴───┴───┴───┘└───┴───┴───┴───┘└───┴───┴───┴───┘ └───┴───┘
+ *
+ * ┌───┬───┬───┬───┐ ┌───┬───┬───┬───┬───┬───┬───┬───┬───┬───┬───┬───┬───┬───┬───┐ ┌───┐
+ * │   │   │   │   │ │   │   │   │   │   │   │   │   │   │   │   │   │   │   │   │ │   │
+ * ├───┼───┼───┼───┤ ├───┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴───┤ ├───┤
+ * │   │   │   │   │ │     │   │   │   │   │   │   │   │   │   │   │   │   │     │ │   │
+ * ├───┼───┼───┼───┤ ├─────┴┬──┴┬──┴┬──┴┬──┴┬──┴┬──┴┬──┴┬──┴┬──┴┬──┴┬──┴┬──┴─────┤ ├───┤
+ * │   │   │   │   │ │      │   │   │   │   │   │ ← │ ↑ │ ↓ │ → │   │   │  Enter │ │   │
+ * ├───┼───┼───┼───┤ ├──────┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴────┬───┘ ├───┤
+ * │   │   │   │   │ │ Shift  │   │   │   │   │   │   │   │   │   │   │ Shift│┌───┐│   │
+ * ├───┼───┼───┼───┤ ├────┬───┼───┴┬──┴───┴───┴───┴───┴───┴─┬─┴─┬─┴─┬─┴──┬───┘│ ↑ │└───┘
+ * │   │   │   │   │ │Ctrl│GUI│Alt │                        │Alt│Mnu│Ctrl│┌───┼───┼───┐
+ * └───┴───┴───┴───┘ └────┴───┴────┴────────────────────────┴───┴───┴────┘│ ← │ ↓ │ → │
+ *                                                                        └───┴───┴───┘
+ */
+
+
+const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
+    [_BASE] = LAYOUT_ansi_split_bs(
+        MO(1),   KC_PSCR, KC_SCRL, KC_PAUS,    KC_ESC,  KC_F1,   KC_F2,   KC_F3,   KC_F4,   KC_F5,   KC_F6,   KC_F7,   KC_F8,   KC_F9,   KC_F10,  KC_F11,  KC_F12,              KC_HOME, KC_PGUP,
+        KC_PMNS, KC_PAST, KC_PSLS, KC_NUM,     KC_GRV,  KC_1,    KC_2,    KC_3,    KC_4,    KC_5,    KC_6,    KC_7,    KC_8,    KC_9,    KC_0,    KC_MINS, KC_EQL,  KC_BSLS, KC_BSPC,    KC_INS,
+        KC_PPLS, KC_P9,   KC_P8,   KC_P7,      KC_TAB,  KC_Q,    KC_W,    KC_E,    KC_R,    KC_T,    KC_Y,    KC_U,    KC_I,    KC_O,    KC_P,    KC_LBRC, KC_RBRC, KC_BSLS,             KC_DEL,
+        KC_PEQL, KC_P6,   KC_P5,   KC_P4,      KC_CAPS, KC_A,    KC_S,    KC_D,    KC_F,    KC_G,    KC_H,    KC_J,    KC_K,    KC_L,    KC_SCLN, KC_QUOT,          KC_ENT,              KC_PGDN,
+        KC_TAB,  KC_P3,   KC_P2,   KC_P1,      KC_LSFT,          KC_Z,    KC_X,    KC_C,    KC_V,    KC_B,    KC_N,    KC_M,    KC_COMM, KC_DOT,  KC_SLSH, KC_RSFT,             KC_UP,   KC_END,
+        KC_PENT, KC_PDOT, KC_PCMM, KC_P0,      KC_LCTL, KC_LGUI, KC_LALT,                            KC_SPC,                             KC_RALT, KC_APP,  KC_RCTL,    KC_LEFT, KC_DOWN, KC_RGHT
+    ),
+    [_FN] = LAYOUT_ansi_split_bs(
+        KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS,    QK_BOOT, KC_F13,  KC_F14,  KC_F15,  KC_F16,  KC_F17,  KC_F18,  KC_F19,  KC_F20,  KC_F21,  KC_F22,  KC_F23,  KC_F24,              KC_TRNS, KC_TRNS,
+        KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS,    KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS,    KC_TRNS,
+        KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS,    KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS,             KC_TRNS,
+        KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS,    KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_LEFT, KC_UP,   KC_DOWN, KC_RGHT, KC_TRNS, KC_TRNS,          KC_TRNS,             KC_TRNS,
+        KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS,    KC_TRNS,          KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS,             KC_TRNS, KC_TRNS,
+        KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS,    KC_TRNS, KC_TRNS, KC_TRNS,                            KC_TRNS,                            KC_TRNS, KC_TRNS, KC_TRNS,    KC_TRNS, KC_TRNS, KC_TRNS
+    )
+};
diff --git a/keyboards/cest73/tkm/keymaps/default_iso_split_bs/keymap.c b/keyboards/cest73/tkm/keymaps/default_iso_split_bs/keymap.c
new file mode 100644
index 0000000000..a971cb13be
--- /dev/null
+++ b/keyboards/cest73/tkm/keymaps/default_iso_split_bs/keymap.c
@@ -0,0 +1,79 @@
+ /* Copyright 2021 cest73
+  *
+  * This program is free software: you can redistribute it and/or modify
+  * it under the terms of the GNU General Public License as published by
+  * the Free Software Foundation, either version 2 of the License, or
+  * (at your option) any later version.
+  *
+  * This program is distributed in the hope that it will be useful,
+  * but WITHOUT ANY WARRANTY; without even the implied warranty of
+  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  * GNU General Public License for more details.
+  *
+  * You should have received a copy of the GNU General Public License
+  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+  */
+#include QMK_KEYBOARD_H
+
+// Defines names for use in layer keycodes and the keymap
+enum layer_names {
+		_BASE,
+		_FN
+};
+
+/*
+ * ┌───┬───┬───┬───┐ ┌───┐ ┌───┬───┬───┬───┐┌───┬───┬───┬───┐┌───┬───┬───┬───┐ ┌───┬───┐
+ * │Fn │PSc│Scr│Pse│ │Esc│ │F1 │F2 │F3 │F4 ││F5 │F6 │F7 │F8 ││F9 │F10│F11│F12│ │Hme│PgU│
+ * └───┴───┴───┴───┘ └───┘ └───┴───┴───┴───┘└───┴───┴───┴───┘└───┴───┴───┴───┘ └───┴───┘
+ *
+ * ┌───┬───┬───┬───┐ ┌───┬───┬───┬───┬───┬───┬───┬───┬───┬───┬───┬───┬───┬───┬───┐ ┌───┐
+ * │ - │ * │ / │Num│ │ ` │ 1 │ 2 │ 3 │ 4 │ 5 │ 6 │ 7 │ 8 │ 9 │ 0 │ - │ = │Bsl│Bsp│ │Ins│
+ * ├───┼───┼───┼───┤ ├───┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴───┤ ├───┤
+ * │ + │ 9 │ 8 │ 7 │ │ Tab │ Q │ W │ E │ R │ T │ Y │ U │ I │ O │ P │ [ │ ] │     │ │Del│
+ * ├───┼───┼───┼───┤ ├─────┴┬──┴┬──┴┬──┴┬──┴┬──┴┬──┴┬──┴┬──┴┬──┴┬──┴┬──┴┬──┴┐ Ent│ ├───┤
+ * │ = │ 6 │ 5 │ 4 │ │ Caps │ A │ S │ D │ F │ G │ H │ J │ K │ L │ ; │ ' │ # │    │ │PgD│
+ * ├───┼───┼───┼───┤ ├────┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴───┴┬───┘ ├───┤
+ * │Tab│ 3 │ 2 │ 1 │ │Shft│ \ │ Z │ X │ C │ V │ B │ N │ M │ , │ . │ / │ Shift│┌───┐│End│
+ * ├───┼───┼───┼───┤ ├────┼───┼───┴┬──┴───┴───┴───┴───┴───┴─┬─┴─┬─┴─┬─┴──┬───┘│ ↑ │└───┘
+ * │Ent│ . │ , │ 0 │ │Ctrl│GUI│Alt │                        │Alt│Mnu│Ctrl│┌───┼───┼───┐
+ * └───┴───┴───┴───┘ └────┴───┴────┴────────────────────────┴───┴───┴────┘│ ← │ ↓ │ → │
+ *                                                                        └───┴───┴───┘
+ */
+ /*
+ * ┌───┬───┬───┬───┐ ┌───┐ ┌───┬───┬───┬───┐┌───┬───┬───┬───┐┌───┬───┬───┬───┐ ┌───┬───┐
+ * │   │   │   │   │ │Rst│ │   │   │   │   ││   │   │   │   ││   │   │   │   │ │   │   │
+ * └───┴───┴───┴───┘ └───┘ └───┴───┴───┴───┘└───┴───┴───┴───┘└───┴───┴───┴───┘ └───┴───┘
+ *
+ * ┌───┬───┬───┬───┐ ┌───┬───┬───┬───┬───┬───┬───┬───┬───┬───┬───┬───┬───┬───┬───┐ ┌───┐
+ * │   │   │   │   │ │   │   │   │   │   │   │   │   │   │   │   │   │   │   │   │ │   │
+ * ├───┼───┼───┼───┤ ├───┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴───┤ ├───┤
+ * │   │   │   │   │ │     │   │   │   │   │   │   │   │   │   │   │   │   │     │ │   │
+ * ├───┼───┼───┼───┤ ├─────┴┬──┴┬──┴┬──┴┬──┴┬──┴┬──┴┬──┴┬──┴┬──┴┬──┴┬──┴┬──┴┐ Ent│ ├───┤
+ * │   │   │   │   │ │      │   │   │   │   │   │ ← │ ↑ │ ↓ │ → │   │   │   │    │ │   │
+ * ├───┼───┼───┼───┤ ├────┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴───┴┬───┘ ├───┤
+ * │   │   │   │   │ │Shft│   │   │   │   │   │   │   │   │   │   │   │ Shift│┌───┐│   │
+ * ├───┼───┼───┼───┤ ├────┼───┼───┴┬──┴───┴───┴───┴───┴───┴─┬─┴─┬─┴─┬─┴──┬───┘│ ↑ │└───┘
+ * │   │   │   │   │ │Ctrl│GUI│Alt │                        │Alt│Mnu│Ctrl│┌───┼───┼───┐
+ * └───┴───┴───┴───┘ └────┴───┴────┴────────────────────────┴───┴───┴────┘│ ← │ ↓ │ → │
+ *                                                                        └───┴───┴───┘
+ */
+
+
+const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
+    [_BASE] = LAYOUT_iso_split_bs(
+        MO(1),   KC_PSCR, KC_SCRL, KC_PAUS,    KC_ESC,  KC_F1,   KC_F2,   KC_F3,   KC_F4,   KC_F5,   KC_F6,   KC_F7,   KC_F8,   KC_F9,   KC_F10,  KC_F11,  KC_F12,              KC_HOME, KC_PGUP,
+        KC_PMNS, KC_PAST, KC_PSLS, KC_NUM,     KC_GRV,  KC_1,    KC_2,    KC_3,    KC_4,    KC_5,    KC_6,    KC_7,    KC_8,    KC_9,    KC_0,    KC_MINS, KC_EQL,  KC_BSLS, KC_BSPC,    KC_INS,
+        KC_PPLS, KC_P9,   KC_P8,   KC_P7,      KC_TAB,  KC_Q,    KC_W,    KC_E,    KC_R,    KC_T,    KC_Y,    KC_U,    KC_I,    KC_O,    KC_P,    KC_LBRC, KC_RBRC,                      KC_DEL,
+        KC_PEQL, KC_P6,   KC_P5,   KC_P4,      KC_CAPS, KC_A,    KC_S,    KC_D,    KC_F,    KC_G,    KC_H,    KC_J,    KC_K,    KC_L,    KC_SCLN, KC_QUOT, KC_NUHS, KC_ENT,              KC_PGDN,
+        KC_TAB,  KC_P3,   KC_P2,   KC_P1,      KC_LSFT, KC_NUBS, KC_Z,    KC_X,    KC_C,    KC_V,    KC_B,    KC_N,    KC_M,    KC_COMM, KC_DOT,  KC_SLSH, KC_RSFT,             KC_UP,   KC_END,
+        KC_PENT, KC_PDOT, KC_PCMM, KC_P0,      KC_LCTL, KC_LGUI, KC_LALT,                            KC_SPC,                             KC_RALT, KC_APP,  KC_RCTL,    KC_LEFT, KC_DOWN, KC_RGHT
+    ),
+    [_FN] = LAYOUT_iso_split_bs(
+        KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS,    QK_BOOT, KC_F13,  KC_F14,  KC_F15,  KC_F16,  KC_F17,  KC_F18,  KC_F19,  KC_F20,  KC_F21,  KC_F22,  KC_F23,  KC_F24,              KC_TRNS, KC_TRNS,
+        KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS,    KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS,    KC_TRNS,
+        KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS,    KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS,                      KC_TRNS,
+        KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS,    KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_LEFT, KC_UP,   KC_DOWN, KC_RGHT, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS,             KC_TRNS,
+        KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS,    KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS,             KC_TRNS, KC_TRNS,
+        KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS,    KC_TRNS, KC_TRNS, KC_TRNS,                            KC_TRNS,                            KC_TRNS, KC_TRNS, KC_TRNS,    KC_TRNS, KC_TRNS, KC_TRNS
+    )
+};
diff --git a/keyboards/cest73/tkm/matrix_diagram.md b/keyboards/cest73/tkm/matrix_diagram.md
new file mode 100644
index 0000000000..bf107f0b68
--- /dev/null
+++ b/keyboards/cest73/tkm/matrix_diagram.md
@@ -0,0 +1,27 @@
+# Matrix Diagram for Ten Key Mirrored - 2021
+
+Due to a nasty PCB layout bug the R1.03 board has "6" and "7" keyboard coulmns swapped.
+
+```
+                                  ┌───┬───┬───┬───┐ ┌───┐ ┌───┬───┬───┬───┐┌───┬───┬───┬───┐┌───┬───┬───┬───┐ ┌───┬───┐
+                                  │00 │10 │01 │11 │ │02 │ │12 │03 │13 │04 ││14 │15 │05 │06 ││16 │07 │17 │08 │ │18 │09 │
+                                  └───┴───┴───┴───┘ └───┘ └───┴───┴───┴───┘└───┴───┴───┴───┘└───┴───┴───┴───┘ └───┴───┘
+                                  ┌───┬───┬───┬───┐ ┌───┬───┬───┬───┬───┬───┬───┬───┬───┬───┬───┬───┬───┬───┬───┐ ┌───┐    ┌───────┐
+                                  │20 │30 │21 │31 │ │22 │32 │23 │33 │24 │34 │35 │25 │26 │36 │27 │37 │28 │19 │38 │ │29 │    │38     │ 2u Backspace
+┌───┐            ┌───┐            ├───┼───┼───┼───┤ ├───┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴───┤ ├───┤    └─┬─────┤
+│   │ Left       │   │ Right      │40 │50 │41 │51 │ │42   │52 │43 │53 │44 │54 │55 │45 │46 │56 │47 │57 │48 │58   │ │49 │      │     │
+│40 │ 2u         │51 │ 2u         ├───┼───┼───┼───┤ ├─────┴┬──┴┬──┴┬──┴┬──┴┬──┴┬──┴┬──┴┬──┴┬──┴┬──┴┬──┴┬──┴─────┤ ├───┤   ┌──┴┐78  │ ISO Enter
+│   │ NumPlus    │   │ NumPlus    │60 │70 │61 │71 │ │62    │72 │63 │73 │64 │74 │75 │65 │66 │76 │67 │77 │78      │ │69 │   │68 │    │
+├───┤            ├───┤            ├───┼───┼───┼───┤ ├────┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴────┬───┘ ├───┤   └───┴────┘
+│   │ Left       │   │ Right      │39 │90 │81 │91 │ │82  │92 │83 │93 │84 │94 │95 │85 │86 │96 │87 │97 │88    │┌───┐│89 │
+│80 │ 2u         │91 │ 2u         ├───┼───┼───┼───┤ ├────┼───┼───┴┬──┴───┴───┴───┴───┴───┴─┬─┴─┬─┴─┬─┴──┬───┘│98 │└───┘
+│   │ NumEnter   │   │ NumEnter   │80 │A0 │59 │A1 │ │A2  │A3 │A4  │A5                      │A6 │A7 │A8  │┌───┼───┼───┐
+└───┘            └───┘            └───┴───┴───┴───┘ └────┴───┴────┴────────────────────────┴───┴───┴────┘│A9 │99 │79 │
+                                                                                                         └───┴───┴───┘
+                                  ┌───────┬───────┐ ┌────────┐
+                                  │A0     │A1     │ │82      │ 2.25u LShift
+                                  └───────┴───────┘ └────────┘
+                                    Left    Right   ┌─────┬─────┬───────────────────────────┬─────┬─────┐
+                                     2u NumZero     │A2   │A4   │A5                         │A6   │A8   │ WKL
+                                                    └─────┴─────┴───────────────────────────┴─────┴─────┘
+```