% masyu 137 by Otto Janko, http://www.janko.at/Raetsel/Masyu/137.a.htm
masyu
easy+
12 12
*.o...o.*...
....o....oo.
....*.o.....
.ooo....*..o
.o..o..*....
..........oo
.....o.*.o..
..*...o.....
..**....o*..
....*.*.o...
............
.*.........*
