0 1
0 1
-2 1
0 1
-1 1
-2 1
-2 1
10 1
0 1
0 1
-2 1
0 1
-1 1
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-2 1
7 1
0 1
0 1
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0 1
-1 1
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-2 1
7 1
0 1
0 1
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0 1
-1 1
-2 1
-2 1
7 1
0 1
0 1
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0 1
-1 1
-2 1
-2 1
