Royal Astronomical Observatory, Greenwich online puzzle

8x4 - 32 pieces11x5 - 55 pieces13x6 - 78 pieces15x7 - 105 pieces17x8 - 136 pieces20x9 - 180 pieces22x10 - 220 pieces24x11 - 264 pieces26x12 - 312 pieces28x13 - 364 pieces Start a new game Create a multiplayer game table

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