The standard form of this puzzle consists of a grid initially filled in with a number in every cell. Some of these cells are to be shaded such that no two adjacent cells are shaded, all the unshaded cells form a single orthogonally connected group, and no two unshaded cells in the same row or column contain the same number.
Puzzles
MIT Mystery Hunt 2007 Puzzle Editing
MIT Mystery Hunt 2008 Witness 1 Meta
MIT Mystery Hunt 2011 Nik-holey
MIT Mystery Hunt 2014 Magic Mushrooms
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