C31321211113313121133133313331333133313331123313331322121111121111112113221211
  >>
   C3132121111331312113313331333133313331333112331333132212111112111111211322121
  <<
   C31321211113313121133133313331333133313331123313331322121111121111112113221213
  >>
 
 
 C31321211113313121133133313331333133313331123313331322121111121111112113221212
  >>