diff --git a/phase1.dyalog b/phase1.dyalog
index 2e7defb..a2e5aa3 100644
--- a/phase1.dyalog
+++ b/phase1.dyalog
@@ -7,4 +7,5 @@
  (26⊥64-⍨⎕UCS)
  ⍝ 6: Please Move to the Front
  {⍵[⍋⍺≠⍵]}
- 
\ No newline at end of file
+ ⍝ 7: See You in a Bit
+ {f←⍸∘⌽(2∘⊥⍣¯1)⋄∧/(f⍺)∊f⍵}