C111112111133131121133133313331333133313331312111113331333133313331123122321   >>    C11111211113313112113313331333133313331333131211111333133313331333112312232   <<    C111112111133131121133133313331333133313331312111113331333133313331123122323   >>      C111112111133131121133133313331333133313331312111113331333133313331123122322   >>