C11112331333132311331333133313331333132313311213231323221211
  >>
   C1111233133313231133133313331333133313231331121323132322121
  <<
   C11112331333132311331333133313331333132313311213231323221213
  >>
 
 
 C11112331333132311331333133313331333132313311213231323221212
  >>