C1111133313331323223313331333133313331333131133133313331323332111   >>    C111113331333132322331333133313331333133313113313331333132333211   <<    C1111133313331323223313331333133313331333131133133313331323332113   >>      C1111133313331323223313331333133313331333131133133313331323332112   >>