diff --git a/2024/uiua/day_04.ua b/2024/uiua/day_04.ua
new file mode 100644
index 0000000..f6029f6
--- /dev/null
+++ b/2024/uiua/day_04.ua
@@ -0,0 +1,24 @@
+# Experimental!
+
+$ MMMSXXMASM
+$ MSAMXMSMSA
+$ AMXSXMAAMM
+$ MSAMASMSMX
+$ XMASAMXAMM
+$ XXAMMXXAMA
+$ SMSMSASXSS
+$ SAXAMASAAA
+$ MAMMMXMMMM
+$ MXMXAXMASX
+⊜∘≠@\n.
+Input ←
+
+Search ← /+♭≡(◇⌕) ⊙¤
+
+Diagonal ← ≡⊏×⟜⊞=.+₁⇡⟜↯4 "\WXMAS"
+Part₁    ← Search {∩⍥₃⊸(⍉⇌) Diagonal ¤"XMAS"}
+
+Part₂ ← Search [⍥₃⊸(⍉⇌)]↯3_3"M\WM\WA\WS\WS"
+
+$Part₁ Part₁ Input
+$Part₂ Part₂ Input