diff --git a/2024/09/bad.solution.nix b/2024/09/bad.solution.nix
index 05c6b61..e00bd0a 100644
--- a/2024/09/bad.solution.nix
+++ b/2024/09/bad.solution.nix
@@ -114,9 +114,6 @@ in {
   inherit data disk defrag defragged checksum fullDisk;
 
   part1result = defragged |> checksum;
-
-  # defraggedFullDisk = defragFullDisk fullDisk;
-
-  # part1result = (defragFullDisk fullDisk).acc |> checksumFullDisk;
+  part2result = "My solution is too slow for part 2";
 
 }
diff --git a/2024/09/solution.nix b/2024/09/solution.nix
new file mode 100644
index 0000000..5e6a61a
--- /dev/null
+++ b/2024/09/solution.nix
@@ -0,0 +1,13 @@
+pkgs: input: let
+  inherit (pkgs) lib;
+  nix-solution = import ./bad.solution.nix pkgs input;
+  input-file = pkgs.writeText "input.txt" input;
+  bun-run = js-file: pkgs.runCommand "2024day9" {} ''
+    ${lib.getExe pkgs.bun} ${js-file} ${input-file} > $out
+  '' |> builtins.readFile |> lib.trim;
+in nix-solution // {
+  javascript = {
+    part1result = bun-run ./solution.js;
+    part2result = bun-run ./solution2.js;
+  };
+}
diff --git a/2024/09/bad.solution.test.nix b/2024/09/solution.test.nix
similarity index 100%
rename from 2024/09/bad.solution.test.nix
rename to 2024/09/solution.test.nix
diff --git a/2024/default.nix b/2024/default.nix
new file mode 100644
index 0000000..b9a6f21
--- /dev/null
+++ b/2024/default.nix
@@ -0,0 +1,18 @@
+{pkgs ? import <nixpkgs> {}, aoc-inputs ? "/tmp/aoc-inputs"}:
+let
+  inherit (pkgs) lib;
+in
+(lib.range 1 11
+  |> map (i: let id = lib.fixedWidthNumber 2 i; in {
+    name = "day-${id}";
+    value = let
+      solution = import ./${id}/solution.nix pkgs;
+      example = (pkgs.lib.readFile ./${id}/example.txt);
+      input = (pkgs.lib.readFile "${aoc-inputs}/${id}");
+    in {
+      example = solution example;
+      real = solution input;
+    };
+  })
+  |> builtins.listToAttrs
+  )
diff --git a/2024/flake.nix b/2024/flake.nix
index 815c2cb..e1b9153 100644
--- a/2024/flake.nix
+++ b/2024/flake.nix
@@ -41,27 +41,5 @@
     };
   })
   |> builtins.listToAttrs
-  ) // {
-
-    day-09 = let
-      solution = import ./09/bad.solution.nix pkgs;
-      example = (pkgs.lib.readFile ./09/example.txt);
-      input = "${aoc-inputs}/09";
-    in {
-      example = solution example;
-      real.part1result = "My solution doesn't work on the real input :(";
-      javascript = {
-        part1result = pkgs.runCommand "2024day9part1" {} ''
-            ${lib.getExe pkgs.bun} ${./09/solution.js} ${input} > $out
-          '' |> builtins.readFile;
-        part2result = pkgs.runCommand "2024day9part1" {} ''
-            ${lib.getExe pkgs.bun} ${./09/solution2.js} ${input} > $out
-          '' |> builtins.readFile;
-      };
-      test = tix.run [
-        ./09/solution.test.nix
-      ];
-    };
-
-  };
+  );
 }