C111112111133131121133133313331333133313231333131121133133313113313331323211131   >>    C11111211113313112113313331333133313331323133313112113313331311331333132321113   <<    C111112111133131121133133313331333133313231333131121133133313113313331323211133   >>      C111112111133131121133133313331333133313231333131121133133313113313331323211132   >>