C31232233133313221211113313331333132313331322121133133313231331123232221211
  >>
   C3123223313331322121111331333133313231333132212113313331323133112323222121
  <<
   C31232233133313221211113313331333132313331322121133133313231331123232221213
  >>
 
 
 C31232233133313221211113313331333132313331322121133133313231331123232221212
  >>