C31321211113313121133133313331333133313331323133313331333133313331333133212131   >>    C3132121111331312113313331333133313331333132313331333133313331333133313321213   <<    C31321211113313121133133313331333133313331323133313331333133313331333133212133   >>      C31321211113313121133133313331333133313331323133313331333133313331333133212132   >>