for classroom observation online puzzle

7x4 - 28 pieces9x5 - 45 pieces11x6 - 66 pieces12x7 - 84 pieces14x8 - 112 pieces16x9 - 144 pieces18x10 - 180 pieces20x11 - 220 pieces22x12 - 264 pieces23x13 - 299 pieces25x14 - 350 pieces27x15 - 405 pieces29x16 - 464 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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