Peiyi, I found the pictures...
do you want me to print it out?

all details on UG　Ｓｉｎｇａｐｏｒｅ　ｃａｎ　ｂｅ　ｃｈｅｃｋｅｄ　ｏｎ　ｍｏｅ　ｓｉｔｅ
http://www3.moe.edu.sg/ccab/uniformed/ugsing.htm