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1
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2
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1
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3
2+
8+
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2
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3
2
1
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2
2
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1
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1
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0
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0
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1
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0
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0
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0
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1
1
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0
0
0
0
0
0
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0
0
0
0
0
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0
0
0
0
0
0
0
0
0
0
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1
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1
1
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0
1
1
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0
0
0
0
0
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0
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0
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0
0
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