% masyu 318 by Otto Janko, http://www.janko.at/Raetsel/Masyu/318.a.htm
masyu
medium-
17 17
...*.o.*....o....
..........o...oo.
.*...o.*..o....o.
......*....**..o.
..*....o.......o.
.o....*.*.*.o.o..
.o..o....*.....*.
......oo..*......
..*.o*o.....*....
o..............*.
.......oo.ooo.o..
........o........
.*.**.*.......o.*
..o..o.*.........
......o..*.*.....
...o....o...**.*.
*....o...........
