Remove lst and fam vector from RelTable, replace with lst_ptr vector. fam is identified by the pointer value, and lst is identified by referencing the pointer.

test.cpp

@@ -3,7 +3,7 @@
 #include <iostream>
 
 int main() {
-    Group g = B(9);
+    Group g = T(4500);
 
     auto s = std::chrono::system_clock::now();
     auto cosets = g.solve();