Tag Archives: crystal mine

Puzzle 30: Crystal Mine

Here’s another Crystal Mine puzzle. I didn’t dare post this before the GP, worried it might spoil the GP puzzle. That turned out to be completely different, naturally.

crystalminegp

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Puzzle 28: Crystal Mine

Here’s a Crystal Mine puzzle, as practice for the upcoming British GP.

crystalmine

Rules Draw a path connecting the two arrows by shading some cells, such that all black circles are on the path, and such that no full two-by-two square of cells is used by the path.

Or see the instruction booklet.