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OPg 21d (1 (1, 3, 2, 4, 0), 2 (1, 0, 2, 3, 4), 3 (0, 3 (2, 1, 0), 2, 1))
OPg 21d
1
1
3
2
4
0
2
1
0
2
3
4
3
0
3
2
1
0
2
1