C31231211111133131211113313331333133112111133132322121111331333132112323231   >>    C3123121111113313121111331333133313311211113313232212111133133313211232323   <<    C31231211111133131211113313331333133112111133132322121111331333132112323233   >>      C31231211111133131211113313331333133112111133132322121111331333132112323232   >>