1--kkjklk--k--k-k-j-h--hjk-hg-g--g

1--fgh-g--g-g-gh-g-g--ge--fgh-fe-d--f-gh

1--c-d-f-fg-g--h-g-hk--g--h-g-f

1--fd-ef-g--g-g--f-g-h--f-f