C31321211113313121133133313331333133313331123313232221123223311   >>    C3132121111331312113313331333133313331333112331323222112322331   <<    C31321211113313121133133313331333133313331123313232221123223313   >>      C31321211113313121133133313331333133313331123313232221123223312   >>