C31321211113313121133133313331333133313221211331333132322121111113233211   >>    C3132121111331312113313331333133313331322121133133313232212111111323321   <<    C31321211113313121133133313331333133313221211331333132322121111113233213   >>      C31321211113313121133133313331333133313221211331333132322121111113233212   >>