C11112331333132311331333133313331333132313233313231333133322113211
  >>
   C1111233133313231133133313331333133313231323331323133313332211321
  <<
   C11112331333132311331333133313331333132313233313231333133322113213
  >>
 
 
 C11112331333132311331333133313331333132313233313231333133322113212
  >>