edX home page online puzzle

9x4 - 36 pieces11x5 - 55 pieces13x6 - 78 pieces15x7 - 105 pieces18x8 - 144 pieces20x9 - 180 pieces22x10 - 220 pieces25x11 - 275 pieces27x12 - 324 pieces29x13 - 377 pieces Start a new game Create a multiplayer game table

By solving these puzzles, you show us that they are worth showing to more visitors. Until they become more popular, they are partially hidden.

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