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(2 (2 (2, 1, 3), 3 (2, 1, 2), 1 (2 (1, 2, 3), 1 (2, 1, 3), 3 (2, 3, 1))))
2
2
2
1
3
3
2
1
2
1
2
1
2
3
1
2
1
3
3
2
3
1