diff --git a/src/ops.rs b/src/ops.rs
index d197bc5..bba35bd 100644
--- a/src/ops.rs
+++ b/src/ops.rs
@@ -344,25 +344,27 @@ fn mul_two_slices(slice1: &[u32], slice2: &[u32]) -> Vec<u32> {
     let (low1, high1) = slice1.split_at(m2 as usize);
     let (low2, high2) = slice2.split_at(m2 as usize);
 
-    println!("z0: {:?}, {:?}", low1, low2);
-    println!("z1: {:?}, {:?}", &add_two_slices(low1, high1), &add_two_slices(low2, high2));
-    println!("z2: {:?}, {:?}", high1, high2);
-
     let z0 = mul_two_slices(low1, low2);
     let z1 = mul_two_slices(&add_two_slices(low1, high1), &add_two_slices(low2, high2));
     let z2 = mul_two_slices(high1, high2);
 
-    let mut op0 = z0.clone();
+    let mut op0 = z2.clone();
+
+    op0.reverse();
+
+    op0.resize(op0.len() + (m2 as usize * 2), 0);
+
+    op0.reverse();
+
 
-    for _ in 0..(m2 * 2) {
-        op0.insert(0, 0);
-    }
 
     let mut op1 = sub_two_slices(&sub_two_slices(&z1, &z2), &z0);
-    
-    for _ in 0..m2 {
-        op1.insert(0, 0);
-    }
+
+    op1.reverse();
+
+    op1.resize(op1.len() + (m2 as usize), 0);
+
+    op1.reverse();
 
     add_two_slices(&add_two_slices(&op0, &op1), &z0)