...../////////......///\\\.......//\\.....//.....
.....//............//....\\......//.\\....//.....
...../////////....//......\\.....//..\\...//.....
.....//..........//////\\\\\\....//...\\..//.....
.....//.........//..........\\...//....\\.//.....
.....//........//............\\..//.....\\//.....
............\\\................///...............
.............\\\..............///................
..............\\\............///.................
...............\\\..........///..................
................\\\..//\\..///...................
.................\\\//..\\///....................
. .................\//....\\/.....................