C111112111133131121133133313331333121111133313331333133112213331321   >>    C11111211113313112113313331333133312111113331333133313311221333132   <<    C111112111133131121133133313331333121111133313331333133112213331323   >>      C111112111133131121133133313331333121111133313331333133112213331322   >>