C1111133313331323223313331333133313331333131133133313331331121111123232231   >>    C111113331333132322331333133313331333133313113313331333133112111112323223   <<    C1111133313331323223313331333133313331333131133133313331331121111123232233   >>      C1111133313331323223313331333133313331333131133133313331331121111123232232   >>