So when you force wire in a zig-zag pattern to obtain a certain net delay(i.e.
for clock balancing, etc.) and expect a To*L result, be careful. You may have
just added an unwanted skew in your clock distribution
or pop up early mode surprise in your design.
> What about second-order effects; for example, does the little zig-zag
> approach allow a weaker wave mode to zip right along as if the
> zig-zags weren't there?