From 199a027e6bd1d439ee2cba0f318b869feabd8b06 Mon Sep 17 00:00:00 2001
From: Dimitri Lozeve <dimitri@lozeve.com>
Date: Sun, 10 May 2020 14:32:05 +0200
Subject: [PATCH] Improve phase 1 problem 3

---
 phase1.dyalog | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/phase1.dyalog b/phase1.dyalog
index a81ef5b..2986477 100644
--- a/phase1.dyalog
+++ b/phase1.dyalog
@@ -4,7 +4,7 @@
         ⍝ 2: Character Building
         characters←{(~⍵∊127+⍳64)⊂⍵}
         ⍝ 3: Excel-lent Columns
-        columns←26⊥64-⍨⎕UCS
+        columns←26⊥⎕A∘⍳
         ⍝ 4: Take a Leap
         leap←1 3∊⍨(0+.=400 100 4∘.|⊢)
         ⍝ 5: Stepping in the Proper Direction