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["再帰型プログラム"]
[]
[]
["解答"]
[null,9,8,3,1,2,6,4,7,5]
[null,7,5,4,3,8,9,6,2,1]
[null,6,2,1,5,7,4,8,3,9]
[null,3,4,5,8,9,7,1,6,2]
[null,1,9,8,6,5,2,3,4,7]
[null,2,7,6,4,1,3,9,5,8]
[null,4,1,9,2,6,5,7,8,3]
[null,5,3,7,9,4,8,2,1,6]
[null,8,6,2,7,3,1,5,9,4]
[]
["問題"]
[null,null,null,3,null,2,null,null,null,5]
[null,null,5,null,null,null,9,6,2]
[null,6,null,null,null,null,4,8]
[null,null,null,null,null,9,7,1]
[null,null,null,null,null,null,null,null,null,7]
[null,null,null,6,4,1]
[null,null,null,9,2,null,null,null,null,3]
[null,null,3,7,9,null,null,null,1]
[null,8,null,null,null,3,null,5]