----------5-4-2-4-0-3-2-0---0-2-0---0---
0-2-3-0-3-----------------3-------3---2-
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----------5-4-2-4-7-3-2-0---0-2-0---0--- 5-7-
0-2-3-0-3-----------------3-------3---2- ----
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3---2-0-2-3-------3---2-0---0-----
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3---2-0-2-3-------2---0-0-2-3-----
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0-0-0-0-----------2-2-2-2---------
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--------0-0-------3-2-0-0-0---0-2-
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1-0-1---------4-------------------
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