C11111333133313232233133313331333133313332212333131121211
  >>
   C1111133313331323223313331333133313331333221233313112121
  <<
   C11111333133313232233133313331333133313332212333131121213
  >>
 
 
 C11111333133313232233133313331333133313332212333131121212
  >>