C31231211111133131211113313331333133313332233132313331322312231   >>    C3123121111113313121111331333133313331333223313231333132231223   <<    C31231211111133131211113313331333133313332233132313331322312233   >>      C31231211111133131211113313331333133313332233132313331322312232   >>