red light on red surface online puzzle

3x2 - 6 pieces5x3 - 15 pieces6x4 - 24 pieces9x6 - 54 pieces11x7 - 77 pieces12x8 - 96 pieces13x9 - 117 pieces14x9 - 126 pieces15x10 - 150 pieces18x12 - 216 pieces19x13 - 247 pieces27x18 - 486 pieces Start a new game

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