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