Hasebe and Mitsutada online puzzle

3x3 - 9 pieces6x6 - 36 pieces7x7 - 49 pieces8x9 - 72 pieces9x10 - 90 pieces11x12 - 132 pieces12x13 - 156 pieces13x15 - 195 pieces14x15 - 210 pieces17x19 - 323 pieces21x23 - 483 pieces Start a new game

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