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Selection: linex
Standard Masyu Rules: Draw a single, non-intersecting loop that passes through all circled cells. The loop must go straight through the cells with white circles, with a turn in at least one of the cells immediately before/after each white circle. The loop must make a turn in all the black circles, but must go straight in both cells immediately before/after each black circle.

For automatic solution checking, the loop must be drawn in green.

CTRL + z CTRL + y Erase elements that belongs to the selected mode Erase problem or solution grid

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