Saturday, June 27, 2009

Black Or White: BW1

This puzzle I created for the practice of Oğuz Atay Puzzle Contest-6.

Given puzzle may be either "Masyu" puzzle or "Loop" puzzle

Masyu Instructions:
Moving between edge-to-edge neighbouring cells, draw a closed path that passes through every circle and doesn't cross itself. The path must turn at every black circle, but can not turn immediately before or after. And the path can not turn at any white circle, but must turn immediately before and/or after. Some white circles may be painted, becoming black circles.

Loop Instructions:
Draw a closed loop in the grid, passing through every cell, avoiding black circles. The loop goes straight in white circles.

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