(7, 1, 1, 1)
(6, 2, 1, 1)
(5, 3, 1, 1)
(5, 2, 2, 1)
(4, 4, 1, 1)
(4, 3, 2, 1)
(4, 2, 2, 2)
(3, 3, 3, 1)
(3, 3, 2, 2)
足して10になる4つの数
1409
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