C111112111133131121133133313331333133313331312111133133313232233131211233131   >>    C11111211113313112113313331333133313331333131211113313331323223313121123313   <<    C111112111133131121133133313331333133313331312111133133313232233131211233133   >>      C111112111133131121133133313331333133313331312111133133313232233131211233132   >>