public class Sudoku {

  public static void main(String[] args) {
    Field field = new Field();
    field.fromFile(args[0]);
    try {
      solve(field, 0, 0);
    } catch (SolvedException e) {}
    System.out.println(field);
  }

  public static void solve(Field f, int i, int j) throws SolvedException {
    // TODO
  }

}