Weaving Treadling Options - Echo/Tromp as Writ

Pattern (2 colors of same size) and tabby

There are 4 blocks in this 4-shaft overshot treadling:

Blocks A B C D
Color 1 1 & 2 2 & 3 3 & 4 4 & 1
Color 2 2 & 3 3 & 4 4 & 1 1 & 2
Tabby Tabby Tabby Tabby
Color 1 1 & 2 2 & 3 3 & 4 4 & 1
Color 2 2 & 3 3 & 4 4 & 1 1 & 2
Tabby Tabby Tabby Tabby

Tromp as Writ:
A1, B1, (C2), B1, A1
D1, (C2), D1
A1, B1, (C2), B1, A1

D1, C1, B1, A3, D3, C5, (B4), (C2), (B4), (C2), (B4), C5, D3, A3, B1, C1, D1
Balance with the first 3 lines.

Here is just an inkling of how it appears. To show the entire treadling would require a large amount of room but am sure this will give you an idea of the elongation of the pattern.