C11112331333132311331333133313331333132313233313221121211
  >>
   C1111233133313231133133313331333133313231323331322112121
  <<
   C11112331333132311331333133313331333132313233313221121213
  >>
 
 
 C11112331333132311331333133313331333132313233313221121212
  >>