Notes for where to update.

Currently the main program only supports 3x3 boards.

src/main.rs

@@ -73,6 +73,8 @@ fn main() {
 
         assert!(puzzle.specific_type == "Plain");
         assert!(puzzle.puzzle_type == "sudoku");
+
+        // This section will be updated, once AnyBoard is completed.
         if puzzle.order != 9 {
             panic!("We only support (3x3) puzzles at this time.")
         }