When redressing ranks, can an element change position anywhere within a UG or just within the file.
"Rearrange bases on the same frontage" - nothing about staying in the same file.
So my Nike could go from:
Sp sp bw bw
Sp sp bw bw
To:
Bw bw sp sp
Bw bw sp sp
That was my interpretation but it looks weird!
And all for a Green card 8)