test.rb

def solution(digits)
  puts digits
  digits = digits.to_s.split(//)
  mSize, allResult = digits.size, []
  digits.each_with_index do |x, index|
  		temp = []
	  	index.to_i.upto(mSize) do |y|
	  			temp << digits[y].to_i
	  			if temp.size.eql? 5
	  				allResult << temp.join("")
	  				temp = []
	  				break	  				
	  			end
	  	end
 	end
  puts allResult.sort
  puts "-----"
  puts allResult.max
  return allResult.max
end