1--klk-hjkjhg-hg--hg-h-k--jlk-kj--g--hk-k-k

1--d-f-def--fg-f-f--ghgh-e--fgh-hg-gfed-edef

1--h-h-gfghgh-gefe--fg-g--g--g-gf-gh-gf-efgf-fe