Hello Robbie.
Thanks for your replies, and for confirming what I had suspected.
It is particularly good to get the gen from a professional.
Believe it or not, I have been hanging my own wallpaper for almost 50 years but had not come across this reversing the pieces before. This is...
Can someone confirm that a symbol consisting of three vertical arrows, where the one in the middle points in the reverse direction to the other two, indicates that alternate lengths should be reversed.
I found an indication that two arrows pointing in opposite directions mean reverse...