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+#!/usr/bin/env ruby
+
+=begin
+
+AUTHOR: Robert DiCicco
+
+DATE : 2023-01-14
+
+Challenge 199 Good Triplets ( Ruby )
+
+=end
+
+
+list = [3,0,1,1,9,7]
+
+
+$x = 7
+
+$y = 2
+
+$z = 3
+
+
+seen = Hash.new
+
+
+list.permutation(3).to_a.each do |suba|
+
+ if seen.has_key?(suba)
+
+ next
+
+ else
+
+ seen[suba] = 1
+
+ x1 = list.find_index(suba[0])
+
+ x2 = list.find_index(suba[1])
+
+ x3 = list.find_index(suba[2])
+
+ if x1 > x2 || x2 > x3 || x1 > x3
+
+ next
+
+ end
+
+ if (suba[0] - suba[1]).abs > $x || (suba[1] - suba[2]).abs > $y || (suba[0] - suba[2]).abs > $z
+
+ next
+
+ else
+
+ puts("#{suba}")
+
+ end
+
+ end
+
+end
+
+
+=begin
+
+SAMPLE OUTPUT
+
+ruby .\GoodTriplets.rb
+
+[3, 0, 1]
+
+[3, 1, 1]
+
+[0, 1, 1]
+
+=end