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Hitori

Posted: Wed 15 Dec, 2010 1:34 pm
by nickdeller
First draft rule text is my own work, and can easily be improved upon.

Blacken some squares in the given grid, so that no row or column has any duplicated numbers in the remaining squares. Blackened squares cannot touch each other edge-to-edge. The set of squares left white must all be connected to each other by edges.