1--gghgfg--g--jkl--lkj--kjhg-fg-g--efghgjk-l

1--ghgg--e-d--g-hjhj-k-jh-g--g-e-f-edc

1--ffgf-ijhkfjhg-h-gf--f-hjk--k-jhgh-gf--f-dc-fgh--ij-hgf