static void solveQueens(int numQueens, int size) {
board = new ChessBoard(size);
boolean solutionExists = solve(numQueens, 0);
if (!solutionExists) {
System.out.println(
"No solution for " + numQueens + " on a " + size + " x " + size + " board");
return;
}
System.out.println(
"Solution found for " + numQueens + " on a " + size + " x " + size + " board");
System.out.println(board);
board.display();
}
