Wednesday, May 20, 2009


This Puzzle type appeared in Oğuz Atay Puzzle Contest (OAPC)-4 championship.
Place digits given in the range to the grid so that no digit is repeated within a row/column. Some cells should be blackened in order to avoid a digit see its consecutive in a row/column. A digit can see others in a straight line until its view is blocked with a black cell. Blackened cells cannot touch each other from the sides. No cell can remain empty.

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