C111112111133131121133133313331333133313331323133313331331121111331311331323211   >>    C11111211113313112113313331333133313331333132313331333133112111133131133132321   <<    C111112111133131121133133313331333133313331323133313331331121111331311331323213   >>      C111112111133131121133133313331333133313331323133313331331121111331311331323212   >>