C31231211111133131211113313331333133313332233132313331311331323221231   >>    C3123121111113313121111331333133313331333223313231333131133132322123   <<    C31231211111133131211113313331333133313332233132313331311331323221233   >>      C31231211111133131211113313331333133313332233132313331311331323221232   >>