diff --git a/src/components/level_system/PatternGen.gd b/src/components/level_system/PatternGen.gd
index 326f7f5..7a91682 100644
--- a/src/components/level_system/PatternGen.gd
+++ b/src/components/level_system/PatternGen.gd
@@ -1,25 +1,49 @@
 extends Node
 class_name PatternGen
 
-var level_queue: LevelQueue
+var level_queue := LevelQueue.new()
 
 var patterns_struct: Dictionary = {}
 
 const MAX_LEVEL := 10
 
-var level := 0:
-    set(val):
-        level = clamp(0, MAX_LEVEL, val)
-
+var level := 0: set = set_level
 
 func _ready():
+    initialize_patterns()
     add_pattern()
 
+func set_level(val):
+    level = clamp(0, MAX_LEVEL, val)
+    update_patterns_based_on_level()
+
 func upgrade_level():
     level += 1
+    update_patterns_based_on_level()
 
 func downgrade_level():
     level -= 1
-
-func next_pattern():
-    return
+    update_patterns_based_on_level()
+
+func next_pattern() -> Dictionary:
+    return level_queue.next_item()
+
+func initialize_patterns():
+    # Example initialization of patterns_struct
+    patterns_struct = {
+        1: [ {name: "Easy Pattern", difficulty: 1}],
+        2: [ {name: "Medium Pattern", difficulty: 2}, {name: "Another Medium Pattern", difficulty: 2}],
+        # Add more levels and patterns as needed
+    }
+
+func add_pattern():
+    var current_level_patterns = patterns_struct[level]
+    if current_level_patterns != null:
+        for pattern in current_level_patterns:
+            level_queue.add_item(pattern)
+
+func update_patterns_based_on_level():
+    # Clear the queue to avoid mixing patterns from different levels
+    level_queue.items_queue.clear()
+    # Add patterns corresponding to the current level
+    add_pattern()
diff --git a/src/components/level_system/PatternList.gd b/src/components/level_system/PatternList.gd
new file mode 100644
index 0000000..d266444
--- /dev/null
+++ b/src/components/level_system/PatternList.gd
@@ -0,0 +1,10 @@
+extends RefCounted
+class_name PatternList
+
+var _name: String
+var _patterns: Array[int]
+
+
+func _init(name: String, patterns: Array[int]):
+    _name = name
+    _patterns = patterns
diff --git a/src/components/level_system/PatternStruct.gd b/src/components/level_system/PatternStruct.gd
new file mode 100644
index 0000000..b27288e
--- /dev/null
+++ b/src/components/level_system/PatternStruct.gd
@@ -0,0 +1,18 @@
+extends RefCounted
+
+var l1 := [
+    d0,
+    d1,
+
+]
+
+var d0 := [
+    PatternList.new("tutorial", [0, 1, 2, 3]),
+    PatternList.new("tutorial1", [1, 1, 1]),
+    PatternList.new("tutorial2", [0, 0, 0, 0, 0, ]),
+]
+var d1 := [
+    PatternList.new("a", [0, 1, 2, 3]),
+    PatternList.new("a1", [1, 1, 1]),
+    PatternList.new("a2", [0, 0, 0, 0, 0, ]),
+]