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