1--h--h-gfg-hgh-gefe--gh-gf-gh--gf-efgf-fe

1--l-k-j--l-k-j--l--l-j-lm-l-k

1--g--g-j-k-l-k--lm-l--kjh

1--d--d-g-f--ec--d-f-gh-gf-f