C11111333133313232233133313331333132313331323321313331333132313233121211
  >>
   C1111133313331323223313331333133313231333132332131333133313231323312121
  <<
   C11111333133313232233133313331333132313331323321313331333132313233121213
  >>
 
 
 C11111333133313232233133313331333132313331323321313331333132313233121212
  >>