作業伍

主題:秋天賞楓要不要












size 200 200
paper 0 20 20


repeat x 0 200
{

pen (()*10)((%20)*10)((*10))
line 200 100 x 0
line 200 100 x 0
line 100 200 x 0
line 100 200 x 0
line 0 100 x 0
line 0 100 x 0
}