diff --git a/06/06_refactored.rb b/06/06_refactored.rb
new file mode 100644
index 0000000..58b8b48
--- /dev/null
+++ b/06/06_refactored.rb
@@ -0,0 +1,3 @@
+groups = File.read("input.txt").split("\n\n").map(&:split)
+puts groups.map { |group| group.join.chars.uniq.size }.sum # TIL about uniq
+puts groups.map { |group| group.map(&:chars).reduce(&:&).size }.sum # TIL you can use & on arrays and not just sets?
\ No newline at end of file