28
+ 0 0
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+ 0 -2
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+ 1 1
+ -2 -2
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+ -1 -1
- 0 -2
- 1 1
+ 2 2
- 0 1
- 0 0
- 2 2
+ -1 -2
+ 2 1
- 1 0
- -1 0
- -1 -1
+ 0 0
