1 12-11-12-11-12-7-10-8-5--5-7--7-8--12--11-12-11-12-7-10-8-5--5-7
2 ------------------------5----9------------------------------5---
3 -----------------------5----9------------------------------5----
1 0-8-7-5---7-8-10-12---13-11-10--11-10-8---8-7-5
2 -----------------------------------------------
3 --------------------12--------10--------7------