puts "=========="
puts "BUC60622"
puts "=========="
puts ""
puts "=================================="
puts "It takes visual check for this BUG"
puts "=================================="
puts ""

circle c1 2900 800 500 
circle c2 2900 900 400 
circle c3 2900 1000 300 
catch {cirtang result c1 c2 c3}