[Intralexical]

It may be interesting to compare this one line to "Code Golfed" equivalents in different programming languages:

https://codegolf.stackexchange.com/questions/tagged/sudoku?t...

[forgotpwd16]

Funnily top[1] solution for specific problem (brute-force Sudoku solver) is the K snippet. Second comes a J solution that replicates K's.

[1]: https://codegolf.stackexchange.com/a/5030