diff --git a/populus_nigra_italica.lpy b/populus_nigra_italica.lpy
index 9d63fda..a8bb1c2 100644
--- a/populus_nigra_italica.lpy
+++ b/populus_nigra_italica.lpy
@@ -9,22 +9,22 @@ derivation length: 50
 production:
 A(x,k) :
   if x >= a-20:
-    produce [-(a-x)F(1,0.05+0.25/k)C(1,k)]/(75)F(0.7,0.05+0.25/k)A(x+1,k+0.1)
+    produce [-(a-x)SetGuide(path,50)F(1,0.05+0.25/k)C(1,k)]/(75)SetGuide(path,50)F(0.7,0.05+0.25/k)A(x+1,k+0.1)
   elif x <= 5:
     produce F(0.7,0.05+0.25/k)A(x+1,k+0.1)
   else:
-    produce[-(30)F(1,0.05+0.25/k)B(1,k)]/(75)F(0.5,0.05+0.25/k)A(x+1,k+0.1)
+    produce[-(30)SetGuide(path,50)F(1,0.05+0.25/k)B(1,k)]/(75)SetGuide(path,50)F(0.5,0.05+0.25/k)A(x+1,k+0.1)
 B(x,k):
   if x <= 5:
     r1 = random.random()
     r2 = random.random()    
-    produce [^(r1*50)F(1,0.05+0.25/k)-(20);Leaf(1)][&(r2*50)F(1,0.05+0.25/k)-(20);Leaf(1)]F(1,0.05+0.25/k)[-(20);Leaf(1)]B(x+1,k+1)
+    produce [^(r1*50)SetGuide(path,10)F(1,0.05+0.25/k)-(20);Leaf(1)][&(r2*50)F(1,0.05+0.25/k)-(20);Leaf(1)]SetGuide(path,10)F(1,0.05+0.25/k)[-(20);Leaf(1)]B(x+1,k+1)
 C(x,k):
   if x <= 5:
     r1 = random.random()
     r2 = random.random()    
-    produce [^(r1*50)F(1,0.05+0.25/k)-(20);Leaf(1)]F(1,0.05+0.25/k)[-(20);Leaf(1)]C(x+1,k+1)
+    produce [^(r1*50)SetGuide(path,50)F(1,0.05+0.25/k)-(20);Leaf(1)]SetGuide(path,50)SetGuide(path,0)F(1,0.05+0.25/k)[-(20);Leaf(1)]C(x+1,k+1)
 Leaf(x):
-  produce ~l(1)
+  produce ,(2) ~l(1)
 interpretation:
-endlsystem
\ No newline at end of file
+endlsystem