% masyu 15 by Warai Kamosika, http://www.janko.at/Raetsel/Masyu/015.a.htm
masyu
medium
18 10
..*.....*......*..
.oo.oo.o..o.oo.oo.
.o..*........*..o.
...*...o..o.......
.o....o....o....o.
.o....o*...o..*.o.
.......o*.o.......
*o...o.*....o...o.
.oo*oo.o..o*oo*oo.
..................
