center: left parenthesis, 50 , 30 , right parenthesis50,30
宽度：
width: 100100
角度：
angle: 00
高度：
height: 100100
不透明度：
opacity: 11
9
表达式10: "y" equals negative 5y=−5
10
表达式11: "y" equals 55y=55
11
表达式12: left parenthesis, floor left parenthesis, "t" , right parenthesis , 100mod left parenthesis, "t" , 1 , right parenthesis , right parenthesisfloort,100modt,1
12
表达式13: left parenthesis, floor left parenthesis, "t" , right parenthesis plus 1 third , 100mod left parenthesis, "t" , 1 , right parenthesis , right parenthesisfloort+13,100modt,1
13
表达式14: left parenthesis, floor left parenthesis, "t" , right parenthesis plus 2 thirds , 100mod left parenthesis, "t" , 1 , right parenthesis , right parenthesisfloort+23,100modt,1
