Initial sudoku solver with parser and formatter.

src/main.rs

@@ -0,0 +1,15 @@
+mod board;
+
+fn main() {
+    let nyt_hard = "3...184.9\
+                    8.47.....\
+                    .....61..\
+                    4....25.8\
+                    ..3.....4\
+                    ....4..2.\
+                    ...6.1...\
+                    17.2.....\
+                    5........";
+    let sudoku_board = board::Board::from_string(nyt_hard);
+    println!("{:#?}", sudoku_board);
+}