public final CC span(int ... cells)
	{
		if (cells == null || cells.length == 0) {
			setSpanX(LayoutUtil.INF);
			setSpanY(1);
		} else if (cells.length == 1) {
			setSpanX(cells[0]);
			setSpanY(1);
		} else {
			setSpanX(cells[0]);
			setSpanY(cells[1]);
		}
		return this;
	}