2
0
0
2
0
0
1
0
0
1
0
0
3
0
0
2
0
0
1
0
0
4
0
0
1
0
0
8
0
0
1
0
0
1
0
0
2
0
0
1
0
0
1
0
0
1
0
0
1
0
0
1
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1
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2
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2
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1
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1
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3
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2
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1
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4
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1
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8
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1
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1
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0
2
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1
0
0
1
0
0
1
0
0
1
0
0
1
0
0
1
0
0