Codes: part 5

#!/usr/bin/ruby
require ‘mathn’
include Math
eval “
list1 = []
gen = Prime::instance
gen.each do |prime1|
list1 << prime1
break if list1.size == 110
a=prime1
list2 = []
gen = Prime::instance
gen.each do |prime2|
list2 << prime2
break if list2.size == 110
b=prime2
if b-a==2
print ‘(‘, a,’, ‘,b,’)”\n’
end
end
end

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