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⬜⬜⬛⬛⬜⬜⬜⬜⬛⬜⬜⬜⬜⬛⬜⬜⬜
⬜⬜⬜⬜⬜⬜⬜⬜⬛⬜⬜⬛⬛⬛⬛⬛⬜
⬜⬛⬛⬛⬜⬜⬜⬛⬜⬜⬜⬜⬛⬜⬜⬜⬜
⬜⬜⬜⬜⬛⬜⬜⬛⬛⬜⬛⬜⬛⬛⬛⬜⬜
⬜⬜⬜⬜⬛⬜⬛⬜⬛⬜⬛⬜⬜⬜⬜⬛⬜
⬜⬜⬛⬛⬜⬜⬛⬜⬜⬛⬜⬜⬛⬛⬛⬜⬜
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