原帖由 豆钉 于 2012-3-9 18:05 发表
Blue: 6+2 corners. Used in method 1.
Red: 5+3 corners
Yellow: 4+4 corners. Sum 0 in method 2.
Green: 4+4 corners. Sum 2 in method 2.
Purple: 4+4 corners. Sum 1 or 3 in method 2. Has exactly on ...
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