1--0-0-0-2-3-5-3-2-0-2-3-2-------0-0-0-2-3-5-3-2-0-2-3-2-3-5-5-7
2-0------------------------3-3-0--------------------------------
3---------------------------------------------------------------
4---------------------------------------------------------------
5---------------------------------------------------------------
6---------------------------------------------------------------
1-7-7-5-3-2-2-3-3-2-3-2----------7-7-5-3-2-2-3-3-2-3-2-3-5-5-7
2------------------------3-3-5-0------------------------------
3-------------------------------------------------------------
4-------------------------------------------------------------
5-------------------------------------------------------------
6-------------------------------------------------------------