400
10
0
10
0
10
0
10
10
0
10
40
10
0
10
10
0
10
0
10
0
10
10
0
10
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10
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10
0
10
0
10
0
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10
10
0
10
0
10
0
0
10
0
10
10
0
10
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10
0
21
0
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10
10
0
10
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10
0
10
0
10
0
10
0
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10
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0
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10
0
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0
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10
0
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0
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10
0
0
10
0
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0
30
0
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10
0
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40
0
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10
0
60
0
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0
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11
10
0
10
0