5 acessos
------------------------------------------------------ (p&h)= Pick and Hammer
-----------------------0------------------------------
---(p&h)2-----------2-----5--9------------------------
-----------------2--------3--7------------------------
-----------0--2---------------------------------------
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------------------------------------------------------
-----------------------0------------------------------
---(p&h)2-----------2-----9---5-----------------------
-----------------2--------7---3-----------------------
-----------0--2---------------------------------------