1--g-hh-ghk-k--kjhg--h--hkh-g-fg-g-

1--f-gh-h--f-g--h--gf-g-d-

1--e-fg-ghggf--hh-hk--kj--hkh-g-g-

1--gg-gdfed--cdefd-d--ff-d-e-f-