@Test
public void testFits() {

	assertFalse( board.fits(0, L4, 0, 0));
	assertTrue( board.fits(0, L4, 0, 1));
	assertTrue( board.fits(0, L4, 0, 18));
	assertFalse( board.fits(0, L4, 0, 19));
	assertTrue( board.fits(0, L4, 18, 1));
	assertFalse( board.fits(0, L4, 19, 1));
}