步骤：R1:平A
R2:平A
R3:2>5>3放完
R4:平A
R5:4>1放完收工 总共6T给没有蓄积的人参考
http://i.imgur.com/Om55QSx.jpg
http://i.imgur.com/1QynhAv.jpg
http://i.imgur.com/yFzTbUX.jpg
http://i.imgur.com/Yd3dvoM.jpg
http://i.imgur.com/CS4IGHX.jpg
http://i.imgur.com/wBNCoI6.jpg
http://i.imgur.com/8JWYPoR.jpg
http://i.imgur.com