% nurikabe, nikoli sample problem 7 by TAKEI Daisuke
nurikabe
hard
24 14
....5...................
..........2.6....7.3...4
..1....5........3.5.....
.7...6.................1
........4...............
...1......1...5......3..
..2..3..................
........3...3...2..7....
........................
6...1....5...5...1....5.
......6........5.....3..
...4...............4....
.5..........1...........
........3.4.....5.......
