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1220 0
2620 1
1160 1
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880 0
1400 1
1120 0
860 0
820 1
900 0
1060 2
0 0
1480 0
2300 1
2420 2
2200 1
640 0
1500 1
1740 3
1660 0
1400 3
740 0
1920 0