C111112111133131121133133313331333133313331323133313331333131211113313222321331   >>    C11111211113313112113313331333133313331333132313331333133313121111331322232133   <<    C111112111133131121133133313331333133313331323133313331333131211113313222321333   >>      C111112111133131121133133313331333133313331323133313331333131211113313222321332   >>