NS question online puzzle

5x4 - 20 pieces7x5 - 35 pieces8x6 - 48 pieces10x7 - 70 pieces11x8 - 88 pieces13x9 - 117 pieces14x10 - 140 pieces15x11 - 165 pieces17x12 - 204 pieces18x13 - 234 pieces20x14 - 280 pieces21x15 - 315 pieces23x16 - 368 pieces24x17 - 408 pieces26x18 - 468 pieces27x19 - 513 pieces28x20 - 560 pieces30x21 - 630 pieces Start a new game Create a multiplayer game table

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

20

4