.................................................. . .
.. 0.0.0 0 .... 0 0 0 0 ..........................
. ..0 .. .. 0 .0 .. ..0 ...........................
....0... ...0....0... ..0....................................0... ...0....0.0.0.0.....................................0.0.0.0.... .................................................... ......~~~~~~~~........................
............. .....0.......................................................0.......................................................0.....................................................000......................................................................................................................................................