C11112331333132311331333133313331333132313231123313331323211232332321311
  >>
   C1111233133313231133133313331333133313231323112331333132321123233232131
  <<
   C11112331333132311331333133313331333132313231123313331323211232332321313
  >>
 
 
 C11112331333132311331333133313331333132313231123313331323211232332321312
  >>