C13112133313331323321333133313331333133313331313331333133323131211331323132313221
  >>
   C1311213331333132332133313331333133313331333131333133313332313121133132313231322
  <<
   C13112133313331323321333133313331333133313331313331333133323131211331323132313223
  >>
 
 
 C13112133313331323321333133313331333133313331313331333133323131211331323132313222
  >>