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Using logic, try to figure out which number (from 1 to 196) belongs in each square (“box”). The numbers form a chain— 1 will be next to 2, 2 next to 3, and so on (diagonals don’t count). You can click on gray dots to make “queries” that tell you the numbers in the surrounding four boxes. Blue dots represent queries that have already been made. Wave your cursor over a blue dot for a popup list showing the numbers in that query.

For additional help, try the HELP button or the solving example.

Other puzzles:  5x5  7x7  9x9  9x11  10x10  7x15  19x21  20x20
Back to Bob’s main Numerichain page.