1)------------------------------------------------------------
2)------------------------------------------------------------
3)------------------------------------------------------------
4)------------------------------------------------4-2-2-2----2
5)----0-0-0-2-3-3-3-0--------------0-0-0-2-3-3-3-----------3--
6)--0------------------3-3-3-0-3-0----------------------------
1)------------------------------------------------------------
2)------------------------------------------------------------
3)-------2-2-2-2----------------------------------------------
4)--2-2-----------2-2-2-2----0--------------------------------
5)-------------------------3---------------3-3-3-0-------0----
6)------------------------------1-1-1-1-1-----------4-0-------