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38. The Mine of Crystals

It's pretty hard to deduce the theme of the "Hunt 4" project I mentioned in the last post from just looking at puzzles 37, 38, and 39 (which will be the last of the "Hunt 4" puzzles for now).

Creator's time: 3:57.0

Rules: Standard Crystal Mine Rules \ Draw a non-intersecting path through the centers of some cells connecting the two arrows. The path must pass through every crystal (diamond), but must not pass through all four cells in any 2x2 area of the grid.

Difficulty: 7.5/14

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