21 18
..#.oo.#..o##.o##.
.#oo..o..##.ooo.o.
oo........oo.###oo
.#..#.oo.o..o.o#o.
#..#o#..o.#..oooo#
.#...ooooo..o#o..#
o.o.ooo.#o.##..oo#
..oo###.o.#ooo#..o
#.......oo....##..
oo.o..o..oo.#.....
oo.o#.....#..###..
.oo.#....o#.##...o
.##...#..o..o.#.##
#..o.#o.oo.oo..#..
...#...##.ooo..o.o
#oo..#.o.o......#.
#....o..o#..#...oo
#..o#o#..o.o..oo.#
.o##....o....o..#.
.....ooo.oo..o.o..
#.o#o#.....o##.oo.
