% masyu 257 by Warai Kamosika, http://www.janko.at/Raetsel/Masyu/257.a.htm
masyu
hard-
24 14
........................
.o...o.o...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..*...
....oo.o...oo...o.o.....
..*....*...*......*...*.
...o*....o..*.o.....o...
*.o.o*..o.o..o.o.o.o.o.*
.o...o.o...oo...o.o...o.
...............*........
