Question 901822
{{{drawing(300,300,-10,10,-10,10,grid(1),
blue(line(-10,-10,1,1)),
blue(line(1,3,10,21)),
circle(1,1,0.3),
circle(1,3,0.05),
circle(1,3,0.1),
circle(1,3,0.15),
circle(1,3,0.2))}}}