This puzzle I created for the practice of Oğuz Atay Puzzle Contest-6.
Rules of Black Or White Puzzle
Given puzzle may be either "Masyu" puzzle or "Loop" puzzle.
Rules of Masyu Puzzle
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.
Rules of Loop Puzzle
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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| Black Or White Logic Puzzle |
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