C31321211113313121133133313331333133313331333133313331333133313232223213231   >>    C3132121111331312113313331333133313331333133313331333133313331323222321323   <<    C31321211113313121133133313331333133313331333133313331333133313232223213233   >>      C31321211113313121133133313331333133313331333133313331333133313232223213232   >>