10 10 4+S5S5=7W7 WWWWWSWSW* 8S3S=8S5WS SW*WWSWSWS 2WS*S=S0S3 -W-WW4W/WS 1W1WWSW8W= S5S0S5S=S0 =W=WWWW7WW 5WS6/S/S=7