[(12, 5), (25, 5), (28, 8), (28, 13), (25, 16), (14, 16), (14, 18), (26, 18), (31, 13), (31, 8), (26, 3), (9, 3), (9, 18), (12, 18)]
right, 12
right_down, 2
down, 4
left_down, 2
left, 10
down, 1
right, 11
right_up, 4
up, 4
left_up, 4
left, 16
down, 14
right, 2
up, 12
........................................
........................................
........*================*..............
........|.................\.............
........|..*============*..\............
........|..|.............\..\...........
........|..|..............\..\..........
........|..|...............*..*.........
........|..|...............|..|.........
........|..|...............|..|.........
........|..|...............|..|.........
........|..|...............|..|.........
........|..|...............*..*.........
........|..|............../../..........
........|..|............./../...........
........|..|.*==========*../............
........|..|.|............/.............
........*==*.*===========*..............
........................................
........................................