C111112111133131121133133313331333132313113313331333123313232231   >>    C11111211113313112113313331333133313231311331333133312331323223   <<    C111112111133131121133133313331333132313113313331333123313232233   >>      C111112111133131121133133313331333132313113313331333123313232232   >>