#P -5 -5
#C Best start near the bottom right corner of a large grid.
.........***...........
........*..............
.......*...............
...........**..........
........**.*...........
..............***......
...........*..**..**...
..*........**.*...**...
.*..*......*..**.......
*...*..................
*...........*..*.......
*..**.***...*...**.**..
...*...*..**..*..*.....
.................**..*.
.....****...*.....*...*
.....**.*.*..........*.
.....*.....*......**...
...........***.........
......**.....**.*......
......**...*....*......
...........*...........
.............*.*.......
..............*........