(setq map "+----------+
|..........|
|..........|
|..........|
|..........|
|..........|
+----------+")

(defun where (row col)
 (+ (* row 13) col 1))

(progn
 (switch-to-buffer "*map*")
 (insert map)
 (goto-char (where 3 7))
 (delete-char 2)
 (insert "()"))

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