C11231323321111331312111133133313331323132313331323213233311
  >>
   C1123132332111133131211113313331333132313231333132321323331
  <<
   C11231323321111331312111133133313331323132313331323213233313
  >>
 
 
 C11231323321111331312111133133313331323132313331323213233312
  >>