% masyu 258 by Warai Kamosika, http://www.janko.at/Raetsel/Masyu/258.a.htm
masyu
medium-
24 14
.oo........*.........oo.
.....oo..*....*..oo.....
.o*......oo..oo......*o.
.o...o......*.....o...o.
..*..o...o....o*..o.*...
.o..*....o....o..*....o.
.....o..*.........o.....
..*..o........o.*.o....*
oo.....*.o.*..o.......o.
...o.o...o..*.o...o..*..
.o.o.o.*..........o...o.
.o.......oo..oo......*o.
.....oo..*..*.*..oo.....
.oo..................oo.
