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#logic

1 essay cross-referencing this thread.

A parent points toward a five-square green route through the only gap in a wall of blocks while a child and Geo watch
Geometry
Non-Crossing Path Puzzles: Check the Doorways Before You Draw

Mark narrow corridors first, count an exact-length route by an agreed rule, and solve a small three-pair grid without trapping the final path.

Math & Patterns · Sep 5, 2026 · 3 min