- (while (re-search-forward "\\([0-9]+\\),\\([0-9]+\\),\\([0-9]+\\),GT\\([0-9]+\\),....,\\([0-9A-F][0-9A-F][0-9A-F][0-9A-F]\\)" nil t)
+ (while (re-search-forward "\\([0-9]+\\),\\([0-9]+\\)?,\\([0-9]+\\)?,GT\\([0-9]+\\),....,\\([0-9A-F][0-9A-F][0-9A-F][0-9A-F]\\)" nil t)