C111112111133131121133133313331333133313331322121111331333133313232233131131121   >>    C11111211113313112113313331333133313331333132212111133133313331323223313113112   <<    C111112111133131121133133313331333133313331322121111331333133313232233131131123   >>      C111112111133131121133133313331333133313331322121111331333133313232233131131122   >>