C11111211113313112113313331333133313113121111331333133312111133133313232233121
  >>
   C1111121111331311211331333133313331311312111133133313331211113313331323223312
  <<
   C11111211113313112113313331333133313113121111331333133312111133133313232233123
  >>
 
 
 C11111211113313112113313331333133313113121111331333133312111133133313232233122
  >>