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@@ -36,6 +36,23 @@ The map format is just a text file with the following key tokens:
| t | Treasure (0 or more) |
| 0 | Empty space |
+Doors and Keys:
+
+Doors and keys are single use and map to specific doors.
+Each key (1-4) maps to a door type (a-d)
+
+| Token | Description |
+|:------|:-------------------------|
+| 1 | Key 1, for Door a |
+| 2 | Key 2, for Door b |
+| 3 | Key 3, for Door c |
+| 4 | Key 4, for Door d |
+| a | Door a, opened by key 1 |
+| a | Door b, opened by key 2 |
+| a | Door c, opened by key 3 |
+| d | Door d, opened by key 4 |
+
+
#### Tips
Space your map out using whitespace between every token (`w w w w` instead of `wwww`) for better readability.