1--f--f-f--f--f-e-g-h-

1--cd-dhk-h--h-ghk--klkjh-ghg--f-

1--h-h-hghggf--g-g-hf--gh--gh-hjh-h-

1--g-j-k--l-l--lm--k-h-kk-khh-

1--g-ljlm-l--mn-m-l--m-l--k-

1--e-f--ghggf--hk--klkjh-ghg--g-hk-g-h-

1--g--g-ff-e-fg--g--gh-f-e-