7
1
9
0
9
8
0
7
0
1
8
8
0
1
9
1
9
9
8
1
7
8
8
7
7
0
9
7
9
9
8
0
8
1
8
7
1
8
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8
9
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8
0
0
7
1
0
1
1
7
7
1
9
7
0
7
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8
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9
8
7
1
9
7
1
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9
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0
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1
0