1--ghkjk-k--k-hl--l-lklkj--gh-g-ghk-kjh-kghgf
1--klk--hjkjhghg--jk-h-h--h-h--hj-h--hg
1--f-fg--g--h-k--jk-hg-fg-g--gk-kj--kl-kj
1--g-hk--k--kj-hk--lj-h--h