1--e--g-g--hj-h-h--g-f-g--gh

1--k-k-j--k-h-g--h--jk--h-h-fg

1--l--k-j--k-lml-kl-l--lmo

1--f-f-fg-g--gf-g-gh--h-f-gh

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