C1111233133313231133133313331322331323132313232223331211
  >>
   C111123313331323113313331333132233132313231323222333121
  <<
   C1111233133313231133133313331322331323132313232223331213
  >>
 
 
 C1111233133313231133133313331322331323132313232223331212
  >>