C313212111133131211331333133313331333133313231333133313331333133313231322311332211
  >>
   C31321211113313121133133313331333133313331323133313331333133313331323132231133221
  <<
   C313212111133131211331333133313331333133313231333133313331333133313231322311332213
  >>
 
 
 C313212111133131211331333133313331333133313231333133313331333133313231322311332212
  >>