C111112111133131121133133313331333133313331323133313331333133313331121111231   >>    C11111211113313112113313331333133313331333132313331333133313331333112111123   <<    C111112111133131121133133313331333133313331323133313331333133313331121111233   >>      C111112111133131121133133313331333133313331323133313331333133313331121111232   >>