C11112331333132311331333133313231323133313123232322131211
  >>
   C1111233133313231133133313331323132313331312323232213121
  <<
   C11112331333132311331333133313231323133313123232322131213
  >>
 
 
 C11112331333132311331333133313231323133313123232322131212
  >>