Plot graph to graph.png in canonize_and_save_graph after setting planar positions

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

plane_depth_sequencing.py

@@ -2,6 +2,7 @@
 import random
 from typing import Any, TypedDict
 from sage.all import Graph, graphs  # type: ignore[attr-defined]  # pylint: disable=no-name-in-module
+from lib.colored_graphs import canonize_and_save_graph
 
 
 class DeeplyEmbeddedGraph(TypedDict):
@@ -63,3 +64,9 @@ def generate_example(n: int) -> DeeplyEmbeddedGraph:
     outer_cycle = [u for u, v in random.choice(faces)]
     plane_depth_labelling = get_plane_depth_labelling(g, outer_cycle)
     return DeeplyEmbeddedGraph(graph=g, outer_cycle=outer_cycle, plane_depth_labelling=plane_depth_labelling, deep_embedding=deep_embedding(g, outer_cycle, plane_depth_labelling))
+
+
+if __name__ == "__main__":
+    example = generate_example(10)
+    canonical = canonize_and_save_graph(example['graph'])
+    print(canonical)