C1111133313331323223313331333133313331333131133133313223313133111   >>    C111113331333132322331333133313331333133313113313331322331313311   <<    C1111133313331323223313331333133313331333131133133313223313133113   >>      C1111133313331323223313331333133313331333131133133313223313133112   >>