C111112111133131121133133313331333133313331323133313331333133313331333233111231   >>    C11111211113313112113313331333133313331333132313331333133313331333133323311123   <<    C111112111133131121133133313331333133313331323133313331333133313331333233111233   >>      C111112111133131121133133313331333133313331323133313331333133313331333233111232   >>