C1111233133313231133133313331322331323132313232213332311
  >>
   C111123313331323113313331333132233132313231323221333231
  <<
   C1111233133313231133133313331322331323132313232213332313
  >>
 
 
 C1111233133313231133133313331322331323132313232213332312
  >>