3	0
6	0
3	0
5	0
1	0
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1	0
1	0
4	0
4	0
1	0
1	0
4	0
2	0
1	0
1   0
5	0
1	0
5	0
5	0
6	0
3	0
4	0
4	0
5	0
9	0
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2	0
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3	0
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8	0
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1	0
1	0
1	0
2	0
3	0
4	0
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10	0
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2	0
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5	0
6	0
2	0
-77	1
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-1	1
-1	1
-1	1
-1	1