(defun print-board (board) (format t "~% 1 2 3 ") (format t "~% +---+---+---+") (dotimes (row 3) (progn (format t "~% | | | |~% |") (dotimes (column 3) (progn (format t " ~a |" (aref board (- 2 row) column)))) (format t "~% | | | |") (format t "~% +---+---+---+"))))