Question 844001
{{{drawing(300,300,-3,3,-3,3,grid(1),
circle(-2,-2,0.1),
circle(-2,-2,0.07),
circle(-2,-2,0.05),
circle(-2,-2,0.03),
circle(-1,-1,0.07),
circle(-1,-1,0.05),
circle(-1,-1,0.03),
circle(0,-1,0.15),
circle(0,0,0.07),
circle(0,0,0.05),
circle(0,0,0.03),
circle(1,1,0.07),
circle(1,1,0.05),
circle(1,1,0.03),
circle(-1,-2,0.15),
circle(-1,-1,0.1),
circle(0,0,0.1),
circle(1,0,0.15),
circle(1,1,0.1),
circle(2,1,0.15),
line(-1,-2,-2,-2),
line(0,-1,-1,-1),
line(0,0,1,0),
line(1,1,2,1))}}}