C11111333133313232233133313331333133313331311331333132313221221
  >>
   C1111133313331323223313331333133313331333131133133313231322122
  <<
   C11111333133313232233133313331333133313331311331333132313221223
  >>
 
 
 C11111333133313232233133313331333133313331311331333132313221222
  >>