I don't remember when I made this change, but it looks correct. http://git.debu.gs/gitweb/?p=euler;a=commitdiff;h=3aaab6e05f54107efc9c89543293145041cc907f code, git.debu.gs | 2018-07-05 20:32:20 +0000 GMT | No.784 I don't remember when I made this change, but it looks correct. [DH] awk/040.awk