% masyu 219 by Otto Janko, http://www.janko.at/Raetsel/Masyu/219.a.htm
masyu
very hard
36 20
....o..**.**.....*.*.o...o...oo.....
*....o.......*.o.....o.....o....o*o.
...*.o.....o................o.o.....
..o......*....*..*...o.**....oo..o..
......o......*..*.*..o.*.....o.....o
*.**...o.*.o..*...*..*...oo.*....*..
.......o.o.*.o.........oo...........
*........o......*....*....*...*..*o.
....o.o.*...*...*....o....o*..*.*...
....*......*.....*..*..oo..........o
*.....o.*......**........o...oo.ooo.
........**...............ooo........
.ooo*.*......o.*......*........o*..*
..o.....oo........**...*......oo....
...........ooo..oo...o....o.*...oo..
*..o.o.*..*..o*....o...o*..**.*..o..
*..oo..........o.......o............
.....*...o.*.o....ooo.*...o.o.......
o.........o..o.....oo...........*.oo
..*oo...o.o....o.*....*..*...o......
