Father Bill,

Asymetric:

http://www.tartanregister.gov.uk/tar...s.aspx?ref=355

You can see how the pattern is not "reflected" about any given line. Instead, reading the colors through the sett you can see that the order is different from left to right as compared to right to left.

Symetric:

http://www.tartanregister.gov.uk/tar....aspx?ref=2476

Here you can see that the pattern is the same from R to L as would be from L to R throughout the sett.

....uhhh I think??