Tweak matcher (compute connected components in advance). Simple pattern matching with RAMification (incl. Python expressions) seems to work.

util/timer.py

@@ -0,0 +1,10 @@
+import time
+
+class Timer:
+    def __init__(self, text):
+        self.text = text
+    def __enter__(self):
+        self.start_time = time.perf_counter_ns()
+    def __exit__(self, exc_type, exc_value, traceback):
+        self.end_time = time.perf_counter_ns()
+        print(self.text, (self.end_time - self.start_time)/1000000, "ms")