@Override
    public Position offsetToPosition(int offset, Bias bias) {
        return position(0, 0).offsetBy(offset, bias);
    }
@Test
    public void testRightBoundary() {
        Position pos = navigator.offsetToPosition(100, Forward);
        assertEquals(4, pos.getMajor());
        assertEquals(60, pos.getMinor());

        pos = pos.clamp();
        assertEquals(4, pos.getMajor());
        assertEquals(9, pos.getMinor());
    }