Four Cells$XfPWaWw,XfWwWd&XfWaWs,XfWsWd|ap,s&s,d&d,w&w,a@
ThreeCells$P,XfWw&XfWaWw,XfWd&XfWaWs,XfWsWd|a,s&s,d&pd,w&w,a@