h j j h-f---- g g g g g g g f-d---- h j j h-f---- s g g g g g g f-d--- s--d - f---- h h h h g-f d-f d - f s--- h - f---- h h h h g-f d-f d--- [dc] c c c d x - [dz] z x z d l - [sx] x x v d l-[sl]- zx s-s-s- [dc] c c c d x - [dz] z x z d l-v [sx] x x v d l-[sl]- zx s-s-s- d-[dl] l [dl] l d- [dk] k [dl] k d-d- s-[sl] l [dk] k [dk] k [sj] j s j s-s- d-[dl] l [dl] l d- [dk] k [dl] k d-d v [sl] l [sl] l a h a [sh]---- [fk]--[fk] l k- [dj] - d--k d - l d x l k [sj] - s x - k f - k f l k [fl] [dx]-d-d-d- [dx]-d-d-d- [dc] c c c d x - [dz] z x z d l - [sx] x x v d l-[sl]- zx s-s-s- [dc] c c c d x - [dz] z x z d l-v [sx] x x v d l-[sl]- zx s-s-s- d-[dl] l [dl] l d- [dk] k [dl] k d-d- s-[sl] l [dk] k [dk] k [sj] j s j s-s- d-[dl] l [dl] l d- [dk] k [dl] k d-d v [sl] l [sl] l a h a [sh]---- [fk]--[fk] l k- [dj] - d--k d - l d x l k [sj] - s x - k f - k f l k [fl] [dx]-d-d-d- [dx]-d-d-d