This reverts commit e41762be64c170f42ab3f8aa6b7e3078e5895e92.
@@ -163,7 +163,8 @@
"items": {
"oneOf": [
{
- "type": "string"
+ "type": "string",
+ "pattern": "^[A-K]\\d{1,2}$"
},
"type": "null"
@@ -175,13 +176,15 @@
"cols": {
"type": "array",
}
"rows": {