On Jul 5, 11:42 am, Michael wrote:
I also make sure there is no twist in the ladder line
connecting the top and bottom elements.

I'd have to look at a diagram of the lazy H, but I think that
is your problem. The elements need to be transposed.
Which means you want a 1/2 twist in the connecting
ladder line. IE: the bottom left should connect to the
top right, and visa versa.