1--------------------------
2--------------------------
3--------------------------
4--------------------------
5---0-0-0-2-3-3-3-0--------
6--0----------------3--0-3-
1--------------------------
2--------------------------
3--------------------------
4------------------0-2--0-2
5----0-0-0-2-3-3-3---------
6--0-----------------------
1-------------------------------------------------------------
2-------------------------------------------------------------
3------2222---------------------------------------------------
4--333------3333----------------------------------------------
5----------------333-2---------------3-3-3-3-3--0---0---------
6----------------------0-1-11-11-1----------------3-----------