diff --git a/build/pl_rubberband.o b/build/pl_rubberband.o
index c0db8b4816f3ce79f0d279d2df15e3b25980fc4a..9b836956a47f40dfb831bd1722219ecad2f6ea9a 100644
Binary files a/build/pl_rubberband.o and b/build/pl_rubberband.o differ
diff --git a/data/graph b/data/graph
index 6a90d650a9fd08e30d934d264d76e016f3a266f2..2d56a4c02d2fbb37faf9389080732e5f12f8f38c 100644
--- a/data/graph
+++ b/data/graph
@@ -9,8 +9,8 @@
 1 2 0.0
 2 0 0.0
 
-0 3 3.0
+0 3 1.0
 1 3 1.0
 1 4 1.0
-2 4 2.0
+2 4 1.0
 3 4 1.0
\ No newline at end of file
diff --git a/data/graph_2 b/data/graph_2
index 9c8ec7f2dcc10250610ef0034acb67f95136c325..37663d372000afcbded02e9b8fd38e0be28a9c70 100644
--- a/data/graph_2
+++ b/data/graph_2
@@ -1,10 +1,10 @@
 12 25 5
 
-0 0.0 1.0
-1 0.951 0.309
-2 0.587 -0.809
-3 -0.587 -0.809
-4 -0.951 0.309
+0 2.1067999697460698 -2.899761388407705
+1 -2.106799969746069 -2.899761388407706
+2 -3.4088739585463905 1.1076102911071575
+3 0 3.5843021946010944
+4 3.4088739585463905 1.1076102911071581
 
 0 1 0.0
 1 2 0.0
diff --git a/output/graph.eps b/output/graph.eps
new file mode 100644
index 0000000000000000000000000000000000000000..d2568070d95bf87cb5f69de8270173f3ac5f6c5d
--- /dev/null
+++ b/output/graph.eps
@@ -0,0 +1,89 @@
+%!PS-Adobe-2.0 EPSF-2.0
+%%Creator: LEMON, graphToEps()
+%%CreationDate: Sat Dec 14 16:35:21 2019
+%%BoundingBox: -13 -13 213 213
+%%EndComments
+/lb { setlinewidth setrgbcolor newpath moveto
+      4 2 roll 1 index 1 index curveto stroke } bind def
+/l { setlinewidth setrgbcolor newpath moveto lineto stroke } bind def
+/c { newpath dup 3 index add 2 index moveto 0 360 arc closepath } bind def
+/sq { newpath 2 index 1 index add 2 index 2 index add moveto
+      2 index 1 index sub 2 index 2 index add lineto
+      2 index 1 index sub 2 index 2 index sub lineto
+      2 index 1 index add 2 index 2 index sub lineto
+      closepath pop pop pop} bind def
+/di { newpath 2 index 1 index add 2 index moveto
+      2 index             2 index 2 index add lineto
+      2 index 1 index sub 2 index             lineto
+      2 index             2 index 2 index sub lineto
+      closepath pop pop pop} bind def
+/nc { 0 0 0 setrgbcolor 5 index 5 index 5 index c fill
+     setrgbcolor 1.1 div c fill
+   } bind def
+/nsq { 0 0 0 setrgbcolor 5 index 5 index 5 index sq fill
+     setrgbcolor 1.1 div sq fill
+   } bind def
+/ndi { 0 0 0 setrgbcolor 5 index 5 index 5 index di fill
+     setrgbcolor 1.1 div di fill
+   } bind def
+/nfemale { 0 0 0 setrgbcolor 3 index 0.0909091 1.5 mul mul setlinewidth
+  newpath 5 index 5 index moveto 5 index 5 index 5 index 3.01 mul sub
+  lineto 5 index 4 index .7 mul sub 5 index 5 index 2.2 mul sub moveto
+  5 index 4 index .7 mul add 5 index 5 index 2.2 mul sub lineto stroke
+  5 index 5 index 5 index c fill
+  setrgbcolor 1.1 div c fill
+  } bind def
+/nmale {
+  0 0 0 setrgbcolor 3 index 0.0909091 1.5 mul mul setlinewidth
+  newpath 5 index 5 index moveto
+  5 index 4 index 1 mul 1.5 mul add
+  5 index 5 index 3 sqrt 1.5 mul mul add
+  1 index 1 index lineto
+  1 index 1 index 7 index sub moveto
+  1 index 1 index lineto
+  exch 5 index 3 sqrt .5 mul mul sub exch 5 index .5 mul sub lineto
+  stroke
+  5 index 5 index 5 index c fill
+  setrgbcolor 1.1 div c fill
+  } bind def
+/arrl 1 def
+/arrw 0.3 def
+/lrl { 2 index mul exch 2 index mul exch rlineto pop} bind def
+/arr { setrgbcolor /y1 exch def /x1 exch def /dy exch def /dx exch def
+       /w exch def /len exch def
+       newpath x1 dy w 2 div mul add y1 dx w 2 div mul sub moveto
+       len w sub arrl sub dx dy lrl
+       arrw dy dx neg lrl
+       dx arrl w add mul dy w 2 div arrw add mul sub
+       dy arrl w add mul dx w 2 div arrw add mul add rlineto
+       dx arrl w add mul neg dy w 2 div arrw add mul sub
+       dy arrl w add mul neg dx w 2 div arrw add mul add rlineto
+       arrw dy dx neg lrl
+       len w sub arrl sub neg dx dy lrl
+       closepath fill } bind def
+/cshow { 2 index 2 index moveto dup stringwidth pop
+         neg 2 div fosi .35 mul neg rmoveto show pop pop} def
+
+gsave
+100 dup scale
+%Arcs:
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+1 2 2 0 0 0 0 0.00848528 l
+0 0 0.789474 0.947368 0 0 0 0.00848528 l
+0 0 2 0 0 0 0 0.00848528 l
+0 0 1 2 0 0 0 0.00848528 l
+grestore
+%Nodes:
+gsave
+1.21053 0.947368 0.0282843 1 1 1 nc
+0.789474 0.947368 0.0282843 1 1 1 nc
+2 0 0.0282843 1 1 1 nc
+1 2 0.0282843 1 1 1 nc
+0 0 0.0282843 1 1 1 nc
+grestore
+grestore
+showpage
diff --git a/output/graph_2.eps b/output/graph_2.eps
index d1d42f3b8b76a028290b4ab9843cac4dcd090b11..3850a09cdbd834eda8103140a5344b522e88f8ce 100644
--- a/output/graph_2.eps
+++ b/output/graph_2.eps
@@ -1,7 +1,7 @@
 %!PS-Adobe-2.0 EPSF-2.0
 %%Creator: LEMON, graphToEps()
-%%CreationDate: Thu Dec  5 16:13:00 2019
-%%BoundingBox: -108 -94 108 113
+%%CreationDate: Sat Dec 14 17:38:42 2019
+%%BoundingBox: -361 -310 361 378
 %%EndComments
 /lb { setlinewidth setrgbcolor newpath moveto
       4 2 roll 1 index 1 index curveto stroke } bind def
@@ -68,46 +68,46 @@ gsave
 100 dup scale
 %Arcs:
 gsave
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-0.173856 -0.141598 -0.280883 -0.323493 0 0 0 0.00787469 l
-0.369568 0.240292 0.173856 -0.141598 0 0 0 0.00787469 l
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-0.018099 0.325358 0.369568 0.240292 0 0 0 0.00787469 l
-0.018099 0.325358 0.33518 0.46834 0 0 0 0.00787469 l
--0.33981 0.404089 -0.42839 -0.018524 0 0 0 0.00787469 l
--0.33981 0.404089 0.018099 0.325358 0 0 0 0.00787469 l
--0.951 0.309 -0.42839 -0.018524 0 0 0 0.00787469 l
--0.951 0.309 -0.33981 0.404089 0 0 0 0.00787469 l
--0.587 -0.809 -0.42839 -0.018524 0 0 0 0.00787469 l
--0.587 -0.809 -0.280883 -0.323493 0 0 0 0.00787469 l
--0.587 -0.809 -0.951 0.309 0 0 0 0.00787469 l
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 %Nodes:
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--0.42839 -0.018524 0.026249 1 1 1 nc
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 grestore
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diff --git a/pl_rubberband.out b/pl_rubberband.out
index a19bd6fbcd7fbbe073d07440378c2a9706c3e34f..c4ef0303a0f5b33b5d23587a9deaeb3264b136c3 100755
Binary files a/pl_rubberband.out and b/pl_rubberband.out differ
diff --git a/src/pl_rubberband.cpp b/src/pl_rubberband.cpp
index 0408bf906434d12037cdb02ba2e09b62c04fa6a6..b9c13b187fe821b2ff6f898eead97bbbf4882349 100644
--- a/src/pl_rubberband.cpp
+++ b/src/pl_rubberband.cpp
@@ -200,20 +200,13 @@ int main (int argc, const char *argv[]) {
 
     // python output
     std::cout << "[";
-    Graph_t::NodeIt u(graph);
-    Point_t & p = coordsMap[u];
-    std::cout << "(" << p.x << ", " << p.y << ")";
-    for(++u; u != lemon::INVALID; ++u) {
-        p = coordsMap[u];
-        std::cout << ", (" << p.x << ", " << p.y << ")";
+    Point_t & p = coordsMap[graph.nodeFromId(0)];
+    std::cout << "[" << p.x << ", " << p.y << ", 0]";
+    for(int i=1; i<n; i++) {
+        p = coordsMap[graph.nodeFromId(i)];
+        std::cout << ",[" << p.x << ", " << p.y << ", 0]";
     }
     std::cout << "]" << std::endl << "[";
-    Graph_t::EdgeIt e(graph);
-    std::cout << "(" << graph.id(graph.u(e)) << ", " << graph.id(graph.v(e)) << ")";
-    for(++e; e != lemon::INVALID; ++e) {
-        std::cout << ", (" << graph.id(graph.u(e)) << ", " << graph.id(graph.v(e)) << ")";
-    }
-    std::cout << "]" << std::endl;
 
     delete solver;
     delete solver_builder;
diff --git a/tmp.py b/tmp.py
index 2a8674fef19e0b0dbc6e1950623f858d473df71a..0e0495b5a3f45b3abcc7eef0db6ac43106bc43cc 100644
--- a/tmp.py
+++ b/tmp.py
@@ -8,5 +8,4 @@ angle = 2 * math.pi / nb_vertices
 
 for i in range(nb_vertices):
     x = center_x + radius * math.sin(i * angle)
-    y = center_y + radius * math.cos(i * angle)
-    print(x, y)
\ No newline at end of file
+    y = center_y + radius * math.cos(i * angle)
\ No newline at end of file