C313212111133131211331333133313331333131121133133313331333223321233132223221
  >>
   C31321211113313121133133313331333133313112113313331333133322332123313222322
  <<
   C313212111133131211331333133313331333131121133133313331333223321233132223223
  >>
 
 
 C313212111133131211331333133313331333131121133133313331333223321233132223222
  >>