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