C111123313331323113313331333133313331323132333133313131323323311   >>    C11112331333132311331333133313331333132313233313331313132332331   <<    C111123313331323113313331333133313331323132333133313131323323313   >>      C111123313331323113313331333133313331323132333133313131323323312   >>