(17,13)
(15,14)
(23,26)
(27,30)
(21,30)
(21,24)
(27,24)
(24,
(8,17)
(4,18)
(9,
(23,8)
(27,12)
(21,12)
(21,6)
(27,6)
(16,
(29,
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