;;; Here are the answers to problems 1a and 2:

(setq correct-1a
      '(2 2 2 2 1 1 2 1 2 2 1 2 2 1 1 1 1 1 1 2 2 2 1 1 2 2 2 2 1 1 2
	2 1 2 2 1 2 2 2 1 2 1 2 1 1 1 1 1 1 1 1 1 1 2 2 1 1 1 2 1 2 1
	2 2 1 2 2 2 1 1 2 2 2 2 1 1 1 2 2 1 1 1 2 1 2 2 2 2 2 1 1 1 1
	1 1 1 1 2 2 2 1 2 1 2 1 1 1 2 1 2 2 1 1 1 2 2 1 1 1 2 1 2 1 1
	2 1 1 2 2 1 1 1 2 2 1 1 2 1 1 2 2 2 1 1 2 2 2 2 1 1 2 1 1 1 2
	2 2 2 1 2 2 2 2 1 1 1 1 2 1 2 1 2 2 1 1 2 2 2 1 2 2 1 1 2 2 2
	2 2 2 1 2 1 1 2 2 2 1 2 1 1))

(setq correct-2
      '(1 3 2 2 3 2 1 2 1 3 3 1 3 3 1 2 1 1 3 3 3 3 1 3 1 3 2 3 1 3 2
	2 3 1 2 1 2 3 3 3 2 1 1 1 1 1 3 2 2 3 3 3 3 2 3 2 1 1 1 2 2 1
	3 3 1 3 2 1 2 3 3 3 3 1 1 2 3 1 1 2 2 2 1 3 1 3 1 2 2 3 1 1 2
	1 2 3 2 2 2 3 3 1 3 3 1 3 2 3 1 1 2 1 3 2 3 2 2 1 2 2 2 1 3 2
	1 2 1 3 3 1 2 2 2 1 2 2 2 3 2 2 2 1 2 2 2 2 3 3 2 3 1 1 1 2 1
	1 3 3 3 2 2 2 3 3 1 1 1 1 3 3 2 3 1 3 1 2 3 2 2 2 3 1 1 3 1 3
	3 2 1 1 2 3 2 1 3 2 2 3 1 1 2 1 3 3 1 2 3 1 1 1 2 1 3 1 3 2 1
	1 3 1 1 3 2 2 2))