Depth search improved with array instead of individual vars. I need to fix trunk system its not working :(

PlayerScript.gd

@@ -102,6 +102,7 @@ func _input(event):
 		AutoBacktrack = false
 	elif event.is_action_pressed("ui_accept"):
 		AutoSolve()
+		
 		#print(Tree_Array)
 	#   print(Current_Position)
 func _process(delta):
@@ -182,16 +183,18 @@ func FoundGoal():
 func AllObjectsFound():
 	if Tree_Array_SetStart != Tree_Array[0]:
 		var CurrentInstructionSet = []
-		Trunk = CommonElements(AllSetsToGoal[0], AllSetsToGoal[1], AllSetsToGoal[2])
-		print("This is the Trunk ", Trunk)
 		if Move_Check1 != move:
 			print("We Done!!!!!!!!!!!!!!!!!")
 			print()
 			for n in AllSetsToGoal.size():
 				var placeHolder = []
-				placeHolder = AllSetsToGoal[n]
-				placeHolder.slice(Trunk[-1])
-				print(n ," set is equal to :  ", placeHolder )
+				#placeHolder = AllSetsToGoal[n]
+				#placeHolder.slice(placeHolder.find(Trunk[-1]))
+			#Trunk = CommonElements(AllSetsToGoal[0], AllSetsToGoal[1], AllSetsToGoal[2])
+			#print("This is the Trunk ", Trunk)
+			var Arrays = [['apple', 'orange', 'banana', 'pear', 'fish', 'pancake', 'taco', 'pizza'],['banana', 'pizza', 'fish', 'apple'],['taco', 'fish', 'apple', 'pizza'],["apple","fish"]]
+			CommonElements2(Arrays)
+			#print(n ," set is equal to :  ", placeHolder)
 			print()
 			Move_Check1 = move
 
@@ -653,6 +656,21 @@ func CommonElements(A,B,C):
 			if x in C:
 				count.push_back(x)
 	return count
+func CommonElements2(Arrays):
+	var count = []
+	var deletions = []
+	for x in Arrays:
+		for n in Arrays[0]:
+			if n in x:
+				if count.find(n) == -1:
+					count.push_back(n)
+			else:
+				deletions.push_back(n)
+	for i in deletions:
+		count.erase(i)
+	print(count)
+	return count
+
 #***** Movement *****
 
 func goDown():