diff --git a/gemla/src/bracket/mod.rs b/gemla/src/bracket/mod.rs
index 275e835..857cf17 100644
--- a/gemla/src/bracket/mod.rs
+++ b/gemla/src/bracket/mod.rs
@@ -1,11 +1,13 @@
 mod tree;
 mod state;
 
+use uuid::Uuid;
+
 fn build_tree(h: u32) -> Option<Box<tree::Tree>> {
     let mut result: Option<Box<tree::Tree>> = None;
 
     if h != 0 {
-        result = Some(tree::concat_trees(state::create(), build_tree(h - 1), build_tree(h - 1)));
+        result = Some(tree::concat_trees(Uuid::new_v4(), build_tree(h - 1), build_tree(h - 1)));
         match &result {
             Some(r) => (*r).run_simulation(),
             _ => ()
@@ -23,7 +25,7 @@ pub fn run_bracket() {
         println!("=========================================");
         println!("Running bracket...");
         height += 1;
-        tree = *tree::concat_trees(state::create(), Some(Box::new(tree)), build_tree(height));
+        tree = *tree::concat_trees(Uuid::new_v4(), Some(Box::new(tree)), build_tree(height));
         tree.run_simulation();
     }
 }
\ No newline at end of file
diff --git a/gemla/src/bracket/state.rs b/gemla/src/bracket/state.rs
index 6ccf5e9..b1e2820 100644
--- a/gemla/src/bracket/state.rs
+++ b/gemla/src/bracket/state.rs
@@ -11,8 +11,8 @@ impl fmt::Display for State {
     }
 }
 
-pub fn create() -> State {
+pub fn create(id: &Uuid) -> State {
     State {
-        id: Uuid::new_v4()
+        id: id.clone()
     }
 }
\ No newline at end of file
diff --git a/gemla/src/bracket/tree.rs b/gemla/src/bracket/tree.rs
index a4bfe58..a9fea8f 100644
--- a/gemla/src/bracket/tree.rs
+++ b/gemla/src/bracket/tree.rs
@@ -1,15 +1,15 @@
 use std::fmt;
-use super::state;
+use uuid::Uuid;
 
 pub struct Tree {
-    state: state::State,
+    id: Uuid,
     left: Option<Box<Tree>>,
     right: Option<Box<Tree>>
 }
 
-pub fn concat_trees(s: state::State, l: Option<Box<Tree>>, r: Option<Box<Tree>>) -> Box<Tree> {
+pub fn concat_trees(id: Uuid, l: Option<Box<Tree>>, r: Option<Box<Tree>>) -> Box<Tree> {
     Box::new(Tree {
-        state: s,
+        id: id,
         left: l,
         right: r
     })
@@ -24,13 +24,13 @@ impl fmt::Display for Tree {
             }
         };
 
-        write!(f, "({} :{}|{})", self.state, node_str(&self.left), node_str(&self.right))
+        write!(f, "({} :{}|{})", self.id, node_str(&self.left), node_str(&self.right))
     }
 }
 
 fn fmt_node(t: &Option<Box<Tree>>) -> String {
     match t {
-        Some(n) => format!("{}", (*n).state),
+        Some(n) => format!("{}", (*n).id),
         _ => String::from("_")
     }
 }
@@ -38,7 +38,7 @@ fn fmt_node(t: &Option<Box<Tree>>) -> String {
 impl Tree {
     pub fn run_simulation(&self) {
         println!("================================");
-        println!("Running simulation for node: {}", self.state);
+        println!("Running simulation for node: {}", self.id);
         println!("With children {} and {}", fmt_node(&self.left), fmt_node(&self.right));
     }
 }
\ No newline at end of file