C31321211113313121133133313331333133313331323133313331333133313311232222331   >>    C3132121111331312113313331333133313331333132313331333133313331331123222233   <<    C31321211113313121133133313331333133313331323133313331333133313311232222333   >>      C31321211113313121133133313331333133313331323133313331333133313311232222332   >>