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