% masyu 309 by Otto Janko, http://www.janko.at/Raetsel/Masyu/309.a.htm
masyu
medium-
24 14
.o........*...*....o*...
.o..*.o..........o....o.
.oo.....o.oo*.*.o.......
....*.*.o...*.o...oo.o..
*.o.....o..........o....
.....o....o.**....*.*.*.
ooo.o.*...*.............
..o..*.o...o....o.......
.......o......o.o.*.....
...*...o*o..*.*....oo..o
.*..o............oo.....
.oo.....*...o......*..*.
.o..oo....*oo*.o.o.....*
.......o..........*.o...
