C11111333133313232233133313331333133313231322323131311211
  >>
   C1111133313331323223313331333133313331323132232313131121
  <<
   C11111333133313232233133313331333133313231322323131311213
  >>
 
 
 C11111333133313232233133313331333133313231322323131311212
  >>