C1111233133313231133133313331333133313231323112331333132322123221
  >>
   C111123313331323113313331333133313331323132311233133313232212322
  <<
   C1111233133313231133133313331333133313231323112331333132322123223
  >>
 
 
 C1111233133313231133133313331333133313231323112331333132322123222
  >>