C31321211113313121133133313331333133313331123313331311331333121212212131   >>    C3132121111331312113313331333133313331333112331333131133133312121221213   <<    C31321211113313121133133313331333133313331123313331311331333121212212133   >>      C31321211113313121133133313331333133313331123313331311331333121212212132   >>