C111112111133131121133133313331333133313331312111133133313232233131121133131331   >>    C11111211113313112113313331333133313331333131211113313331323223313112113313133   <<    C111112111133131121133133313331333133313331312111133133313232233131121133131333   >>      C111112111133131121133133313331333133313331312111133133313232233131121133131332   >>