1--k--k-k-klk-hjh--k-kl-k-k--kh-hl-jk

1--h-g-h-ghg--h-g-e-f--g-fe-d-d

1--h--h--g-h-ghg--ef--g-fe

1--f-f--f-e-d--f-f-e--f-d--d-c

1--f-g-h-gf--gh--gf-dc--f-gh