+ __Approach:__ Board as matrix via [array()]
+* __ID:__ 004,
+ __Language:__ AWK,
+ __Approach:__ Board as 1D string. Ghosts beyond boundaries
+* __ID:__ 005,
+ __Language:__ AWK,
+ __Approach:__ Board as simulated 3D array
+
+
+[array()]: http://www.erlang.org/doc/man/array.html "Which is not actually an array, but an integer-keyed tree."
+[gen_server]: http://www.erlang.org/doc/man/gen_server.html