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21
× 52
2
× 2
1
× 2
0
× 3
17
2
× 2
1
0
× 3
11
× 23
2
× 2
1
0
× 2
10
× 4
2
× 2
1
0
× 2
5
2
× 2
1
0
× 2
5
2
1
0
× 2
4
× 2
2
1
0
3
1
× 3
1
0
3
1
× 3
1
0
3
1
× 3
1
0
3
1
× 2
1
0
3
1
× 2
1
0
3
1
× 2
0
× 3
0