C31321211113313121133133313331333133313331323133313233113313221211   >>    C3132121111331312113313331333133313331333132313331323311331322121   <<    C31321211113313121133133313331333133313331323133313233113313221213   >>      C31321211113313121133133313331333133313331323133313233113313221212   >>