4
6
4
6
4
2
4
2
6
6
2
2
6
2
2
4
0
4
2
4
2
0
4
4
0
23
6
0
4
4
2
6
13
0
6
2
4
27
0
0
2
4
2
2
2
2
2
0
0
2
4
4
4
0
2
4
2
0
0
2
0
2
2
2
0
2
0
0
0
6
19
0
15
21
0
0
0
2
6
2
2
4
2
0
4
2
2
0
0
4
16
0
4
2
0
6
4
2
6
2
6
2
4
0
2
16
6
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6
2
4
2
6
2
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0
2
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2
4
4
0
2
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0
2
2
0
2
2
0
6
4
2
4
4
6
0
15
2
0
0
2
2
2
0
6
4
4
2
4
2
4
2
4
2
2
2
4
2
19
8
4
2
6
2
6
2
0
2
2
2
4
0
4
4
2
4
0
2
0
2
2
0
4
2
2
2
0
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4
4
0
16
0
2
0
8
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2
0
2
4
0
6
2
2
2
0
0
0
4
2
4
0
2
2
0
2
0
4
4
0
0
0
32
4
0
6
4
4
0
4
2
2
2
2
4
4
4
0
6
0
2
0
0
0
4
0
4
2
2
0
6
2
4
2
6
0
4
2
4
0
2
2
4
0
2
4
0
0
6
0
4
0
0
2
2
0
0
6
