C111112111133131121133133313331333131333132322331331122131232311   >>    C11111211113313112113313331333133313133313232233133112213123231   <<    C111112111133131121133133313331333131333132322331331122131232313   >>      C111112111133131121133133313331333131333132322331331122131232312   >>