----------------------------------------- 
 ----4-----------2-----2------------------ 
 3-4---3-4---3-4---2-4---4-4-2-0---------- 
 ----------2---------------------2-0-2-0-2 

------------------------1-2---2---6---6---6---6---6-----7-6---6-------2-1---------------------------- 
--------------4---4---4-----2---2---4---4---4---4---4-4-----4---4-4-4-----2---------0---------------- 
0-2-4-2-2-3-4---4---4-------------------------------------------------------4-4-3-4---2-4-2-0---0-2-4 
----------------------------------------------------------------------------------------------4------ 

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-----------------------------0-0-0-0-0-0-0-2-2-2-2-2-2-2-
-2-2-2-2-2-2-2-4-4-4-4-4-4-4-----------------------------
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