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