1--e-e--e-d-e-d-d--cd-fe--d-e-e

1--e-f-g-f--e-e--d-c--df-e

1--f-e-d--f-g-fgh-h--h-h-g

1--k--kj-hg-h--g-h--jh-g--h-g

1--k-kj-h--h-g-h-f--hj-h-g

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