From 242088b896d3a44fcc04e816aafdf717a2e59668 Mon Sep 17 00:00:00 2001
From: Alan Daniels <alan.daniels10@gmail.com>
Date: Wed, 10 Dec 2025 20:22:30 +1100
Subject: [PATCH] fmt

---
 04a.lisp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/04a.lisp b/04a.lisp
index 95ac703..e2374dc 100644
--- a/04a.lisp
+++ b/04a.lisp
@@ -43,7 +43,7 @@
 (sum-kernel (make-kernel (read-diagram (uiop:read-file-lines "04example.txt")) 2 0))
 
 (defun sum-diagram (lines)
-  (let ( (dim (length lines))
+  (let ((dim (length lines))
         (diagram (read-diagram lines)))
     (loop for y from 0 to dim
           sum (loop for x from 0 to dim