diff --git a/data/c3a3_huffman.txt b/data/c3a3_huffman.txt
new file mode 100644
index 0000000..87677f4
--- /dev/null
+++ b/data/c3a3_huffman.txt
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diff --git a/data/c3a3_mwis.txt b/data/c3a3_mwis.txt
new file mode 100644
index 0000000..e51f5b7
--- /dev/null
+++ b/data/c3a3_mwis.txt
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diff --git a/src/huffman.rs b/src/huffman.rs
new file mode 100644
index 0000000..ea9bb92
--- /dev/null
+++ b/src/huffman.rs
@@ -0,0 +1,5 @@
+
+pub struct HuffmanAlphabet {
+	pub length: u32,
+	pub frequencies: Vec<u32>,
+}
\ No newline at end of file
diff --git a/src/main.rs b/src/main.rs
index 8c727a3..81134b2 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -129,6 +129,6 @@ fn main() {
     // c2a3();
     // c2a4();
     // c3a1();
-    c3a2();
+    // c3a2();
     c3a3();
 }