[-1, -4696] -> [2, 3]
[2, 3] -> [2, 8]
[2, 8] -> [4, 8]
[4, 8] -> [4, 5]
[4, 5] -> [6, 5]
[6, 5] -> [6, 12]
[6, 12] -> [5, 11]
[5, 11] -> [3, 11]
[3, 11] -> [2, 12]
[2, 12] -> [2, 24]
[2, 24] -> [4, 24]
[4, 24] -> [4, 21]
[4, 21] -> [5, 22]
[5, 22] -> [6, 21]
[6, 21] -> [6, 28]
[6, 28] -> [5, 27]
[5, 27] -> [3, 27]
[3, 27] -> [2, 28]
[2, 28] -> [2, 34]
[2, 34] -> [4, 34]
[4, 34] -> [4, 30]
[4, 30] -> [5, 31]
[5, 31] -> [7, 31]
[7, 31] -> [8, 30]
[8, 30] -> [8, 18]
[8, 18] -> [4, 18]
[4, 18] -> [4, 14]
[4, 14] -> [5, 15]
[5, 15] -> [7, 15]
[7, 15] -> [8, 14]
[8, 14] -> [8, 3]
[8, 3] -> [7, 2]
[7, 2] -> [3, 2]
...................................
..*====*...*===========*...*=====*.
.*.....|##*############|..*......|#
.|##*==*##|..*===*..*==*..|##*===*#
.|##|.....*...*..|###*####*###*####
.|##*======*##|..|##*======*##|....
.*............*..|############*####
..*==========*...*===========*.....
...................................