diff --git a/src/unroll_int.rs b/src/unroll_int.rs
index 6771527..43e191c 100644
--- a/src/unroll_int.rs
+++ b/src/unroll_int.rs
@@ -7,32 +7,31 @@ macro_rules! create_unroll_int {
         [$( create_unroll_int!(replace@ ($num, 0)) ),*]
     };
 
-    ($first:literal $($rest:literal)* | $($acc:tt)*) => {
+    ([$first:tt $($rest:tt)*] | $($acc:tt)*) => {
         create_unroll_int! {
-            $($rest)*
+            [$($rest)*]
             |
             ($first) => { create_unroll_int!(turn_into_zero_array@ $($rest)*) };
             $($acc)*
         }
     };
 
-    (| $($acc:tt)*) => {
+    ([] | $($acc:tt)*) => {
         macro_rules! unroll_int {
             $($acc)*
         }
     };
 
-    ($($num:literal)*) => {
-        create_unroll_int! { $($num)* | }
+    ($($num:tt)*) => {
+        create_unroll_int! { [$($num)*] | }
     };
 }
 
 create_unroll_int! {
-    // 20 19 18 17 16 15 14 13 12 11
-    //10 9 8 7 6 5 4 3
-    2 1 0
+    20 19 18 17 16 15 14 13 12 11
+    10 9 8 7 6 5 4 3 1 2 0
 }
 
 fn x() {
-    let x = unroll_int!(0);
+    let x = unroll_int!(20);
 }