C31231211111133131211113313331333133112111133132213331323232321   >>    C3123121111113313121111331333133313311211113313221333132323232   <<    C31231211111133131211113313331333133112111133132213331323232323   >>      C31231211111133131211113313331333133112111133132213331323232322   >>