C1111233131211111211113313331333133313232313331333133313331311331313332131   >>    C111123313121111121111331333133313331323231333133313331333131133131333213   <<    C1111233131211111211113313331333133313232313331333133313331311331313332133   >>      C1111233131211111211113313331333133313232313331333133313331311331313332132   >>