#21 - Masyu (Unequal Lengths)

While I really enjoy the logic this variant has to offer, it is sometimes a pain how restricted a grid already is by placing just a few circles. 

Rules

Draw a non-intersecting loop through the centers of some cells that passes through every circle. The loop must turn on black circles and travel straight through the cells on either side. The loop must go straight through white circles, and turn in at least one of the cells on either side. No two consecutive straight line segments may be the same length.


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