C222133313331333131123313231333133313331333132112323133313233211221
  >>
   C22213331333133313112331323133313331333133313211232313331323321122
  <<
   C222133313331333131123313231333133313331333132112323133313233211223
  >>
 
 
 C222133313331333131123313231333133313331333132112323133313233211222
  >>