1--k-k--k--kl-k--k-h-j-g

1--f-hkkj-h--kl-k--k--jk-hg-f--h

1--e-d-e-g-g--g-hj-h--h--g-h

1--dc-f-gh-hj-h--h-hghj-h-gf--e-f-g-fe