C31321211113313121133133313331333133313331323133313331333112211232211   >>    C3132121111331312113313331333133313331333132313331333133311221123221   <<    C31321211113313121133133313331333133313331323133313331333112211232213   >>      C31321211113313121133133313331333133313331323133313331333112211232212   >>