C111112111133131121133133313331333133313331323132313331333133313231333121331   >>    C11111211113313112113313331333133313331333132313231333133313331323133312133   <<    C111112111133131121133133313331333133313331323132313331333133313231333121333   >>      C111112111133131121133133313331333133313331323132313331333133313231333121332   >>