@Test
public void testPlayFast() {

	String[] before = {
			".#O.O",
			"#O.O#",
			"...#.",
			"O#..#",
			".O#..",
	};
	board.setUpProblem(before, WHITE);
	assertEquals(OK, board.playFast(at("a5")));
	assertEquals(OK, board.playFast(at("a1")));
	assertEquals(OK, board.playFast(at("e3")));
	assertEquals(OK, board.playFast(at("b5")));
	assertEquals(OK, board.playFast(at("b1")));
	assertEquals(OK, board.playFast(at("e4")));
	assertEquals(asOneString(before), board.toString());
}