diff --git a/examples/complex.cpp b/examples/complex.cpp
index f9fc881..b061a81 100644
--- a/examples/complex.cpp
+++ b/examples/complex.cpp
@@ -1,17 +1,40 @@
+#include <ctime>
 #include <iostream>
+#include <iomanip>
+
 #include <tc/complex.hpp>
 #include <tc/groups.hpp>
 
+template<unsigned int N, class G>
+void test(const G &group) {
+    auto s = std::clock();
+    auto combos = tc::combinations(group.gens, N - 1);
+    auto data = tc::merge<N>(tc::hull<N>(group, combos, {}));
+    auto e = std::clock();
+
+    double diff = (double) (e - s) / CLOCKS_PER_SEC;
+    int count = data.size();
+
+    std::cout
+        << std::setw(2) << N << ", "
+        << std::setw(7) << group.name << ", "
+        << std::setw(7) << count << ", "
+        << std::fixed << std::setprecision(6) << diff << "s"
+        << std::endl;
+}
+
 int main() {
-    tc::Symbol symbol(3);
-    symbol << 5, 3, 3;
-    auto group = tc::schlafli(symbol);
+    test<4>(tc::group::H(4));
+    test<4>(tc::group::B(4));
+    test<4>(tc::group::B(5));
+    test<4>(tc::group::B(6));
+    test<4>(tc::group::E(6));
 
-    constexpr int N = 4;
-    std::vector<tc::Symbol> combos = tc::combinations(group.gens, N - 1);
-    auto data = tc::merge<N>(tc::hull<4>(group, combos, {}));
-
-    std::cout << data.size() << std::endl;
+    test<3>(tc::group::H(3));
+    test<3>(tc::group::B(4));
+    test<3>(tc::group::B(5));
+    test<3>(tc::group::B(6));
+    test<3>(tc::group::E(6));
 
     return 0;
 }