[(5, 12), (5, 25), (8, 28), (13, 28), (16, 25), (16, 14), (18, 14), (18, 26), (13, 31), (8, 31), (3, 26), (3, 9), (18, 9), (18, 12), (5, 12)]
(5, 13)
(5, 14)
(5, 15)
(5, 16)
(5, 17)
(5, 18)
(5, 19)
(5, 20)
(5, 21)
(5, 22)
(5, 23)
(5, 24)
(5, 25)
(6, 26)
(7, 27)
(8, 28)
(9, 28)
(10, 28)
(11, 28)
(12, 28)
(13, 28)
(14, 27)
(15, 26)
(16, 25)
(16, 24)
(16, 23)
(16, 22)
(16, 21)
(16, 20)
(16, 19)
(16, 18)
(16, 17)
(16, 16)
(16, 15)
(16, 14)
(17, 14)
(18, 14)
(18, 15)
(18, 16)
(18, 17)
(18, 18)
(18, 19)
(18, 20)
(18, 21)
(18, 22)
(18, 23)
(18, 24)
(18, 25)
(18, 26)
(17, 27)
(16, 28)
(15, 29)
(14, 30)
(13, 31)
(12, 31)
(11, 31)
(10, 31)
(9, 31)
(8, 31)
(7, 30)
(6, 29)
(5, 28)
(4, 27)
(3, 26)
(3, 25)
(3, 24)
(3, 23)
(3, 22)
(3, 21)
(3, 20)
(3, 19)
(3, 18)
(3, 17)
(3, 16)
(3, 15)
(3, 14)
(3, 13)
(3, 12)
(3, 11)
(3, 10)
(3, 9)
(4, 9)
(5, 9)
(6, 9)
(7, 9)
(8, 9)
(9, 9)
(10, 9)
(11, 9)
(12, 9)
(13, 9)
(14, 9)
(15, 9)
(16, 9)
(17, 9)
(18, 9)
(18, 10)
(18, 11)
(18, 12)
(17, 12)
(16, 12)
(15, 12)
(14, 12)
(13, 12)
(12, 12)
(11, 12)
(10, 12)
(9, 12)
(8, 12)
(7, 12)
(6, 12)
(5, 12)
[(5, 13), (5, 14), (5, 15), (5, 16), (5, 17), (5, 18), (5, 19), (5, 20), (5, 21), (5, 22), (5, 23), (5, 24), (5, 25), (16, 24), (16, 23), (16, 22), (16, 21), (16, 20), (16, 19), (16, 18), (16, 17), (16, 16), (16, 15), (16, 14), (18, 15), (18, 16), (18, 17), (18, 18), (18, 19), (18, 20), (18, 21), (18, 22), (18, 23), (18, 24), (18, 25), (18, 26), (3, 25), (3, 24), (3, 23), (3, 22), (3, 21), (3, 20), (3, 19), (3, 18), (3, 17), (3, 16), (3, 15), (3, 14), (3, 13), (3, 12), (3, 11), (3, 10), (3, 9), (18, 10), (18, 11), (18, 12)]
[(9, 28), (10, 28), (11, 28), (12, 28), (13, 28), (17, 14), (18, 14), (12, 31), (11, 31), (10, 31), (9, 31), (8, 31), (4, 9), (5, 9), (6, 9), (7, 9), (8, 9), (9, 9), (10, 9), (11, 9), (12, 9), (13, 9), (14, 9), (15, 9), (16, 9), (17, 9), (18, 9), (17, 12), (16, 12), (15, 12), (14, 12), (13, 12), (12, 12), (11, 12), (10, 12), (9, 12), (8, 12), (7, 12), (6, 12), (5, 12)]
........................................
........................................
........*================*..............
........|.................\.............
........|..*============*..\............
........|..|.............\..\...........
........|..|..............\..\..........
........|..|...............*..*.........
........|..|...............|..|.........
........|..|...............|..|.........
........|..|...............|..|.........
........|..|...............|..|.........
........|..|...............*..*.........
........|..|..............\../..........
........|..|.............\../...........
........|..|.*==========*../............
........|..|.|............/.............
........*==*.*===========*..............
........................................
........................................