1--cffe--f-d--egfe-de--cd-d--d-dc-d

1--d-d--dc--f-g--f-gh-h--g-j

1--k-h--j-jhg--jk-l--k-h-k-j

1--h-gf--g-g--f--fd-f

1--h-h-g--h--f-gh-h--h-h-g

1--f-fgh-h-hghj-h-g--fgh-h