% masyu 18 by Warai Kamosika, http://www.janko.at/Raetsel/Masyu/018.a.htm
masyu
medium-
18 10
*...*o......o.....
o..o...*..*...o*.o
.o*.o...oo...o..o.
...o*..o..o...o...
..**..o*..*o....*.
....*.o*.*.o.*....
*..o...o.*o*.oo...
*o..o...oo...o*.o.
...o.*........o...
*.......o.....*..*
