diff --git a/src/graph/graph.cc b/src/graph/graph.cc
index 2c03790..3259c44 100644
--- a/src/graph/graph.cc
+++ b/src/graph/graph.cc
@@ -6,7 +6,7 @@
 
 #include "svg.h"
 
-void Graph::svg_demo(Analyse::track_data_t track_data) {
+std::string Graph::svg_demo(Analyse::track_data_t track_data) {
 
 //    for (uint32_t i = 0; i < track_data.size(); ++i) {
 //
@@ -154,6 +154,6 @@ void Graph::svg_demo(Analyse::track_data_t track_data) {
         }
     }
 
-    std::cout << svg.dump() << std::endl;
+    return svg.dump();
 
 }
diff --git a/src/graph/graph.h b/src/graph/graph.h
index ddec392..f28e0e5 100644
--- a/src/graph/graph.h
+++ b/src/graph/graph.h
@@ -51,6 +51,6 @@ public:
 
     uint64_t LINE_OFFSET = 2;
 
-    void svg_demo(Analyse::track_data_t track_data);
+    std::string svg_demo(Analyse::track_data_t track_data);
 
 };
diff --git a/src/main.cc b/src/main.cc
index 11b85ff..c2a9e0b 100644
--- a/src/main.cc
+++ b/src/main.cc
@@ -13,10 +13,12 @@
 #include <thread>
 #include <algorithm>
 #include <unistd.h>
+#include <fstream>
 
+//int main(int argc, char *argv[]) {
 int main() {
 
-    BasicRanges::build();
+//    BasicRanges::build();
 //    AllCases::build();
 
 
@@ -42,7 +44,7 @@ int main() {
 //    sleep(3);
 
 //    std::cout << "start benchmark" << std::endl;
-    auto start_time = clock();
+//    auto start_time = clock();
 
 
 //    auto fc = FastCal(RawCode::from_common_code("1a9bf0c"));
@@ -60,11 +62,34 @@ int main() {
 //    auto a = Analyse(RawCode::from_common_code("1a9bf0c"));
 //    auto a = Analyse(RawCode::from_common_code("4fea134"));
 //    auto a = Analyse(RawCode::from_common_code("A5D3AF"));
-    auto a = Analyse(RawCode::from_common_code("1FA6F80"));
+//    auto a = Analyse(RawCode::from_common_code("1FA6F80"));
+//    auto a = Analyse(RawCode::from_common_code("0F5747"));
+
+//    if (argc < 2) {
+//        std::cout << "without input code" << std::endl;
+//    }
+//    auto a = Analyse(RawCode::from_common_code(argv[1]));
+
+
+    std::string input;
+    std::cout << "Please give a common code: ";
+    std::cin >> input;
+
+    auto common_code = CommonCode::from_string(input);
+
+    std::cout << ShortCode::from_common_code(common_code).to_string() << " -> ";
+
+    auto start_time = clock();
+
+    auto a = Analyse(RawCode::from_common_code(common_code));
+
 //    a.build();
     auto ret = a.build_until([](uint64_t code) {
         return ((code >> (3 * 0xD)) & 0b111) == B_2x2;
     });
+    std::cout << ret.size() << std::endl;
+
+    std::cerr << (clock() - start_time) * 1000000 / CLOCKS_PER_SEC << "us" << std::endl;
 
 //    std::cout << "analyse complete" << std::endl;
 //    for (const auto &r : ret) {
@@ -80,7 +105,15 @@ int main() {
 //    std::cout << "backtrack complete" << std::endl;
 
     auto g = Graph();
-    g.svg_demo(svg_ret);
+    auto svg_data = g.svg_demo(svg_ret);
+
+
+    std::ofstream output;
+    output.open(common_code.to_string(true) + ".svg");
+    output << svg_data << std::endl;
+    output.close();
+
+//    std::cout << svg_data << std::endl;
 
 //    auto start_time = clock();
 
@@ -126,11 +159,12 @@ int main() {
 
 //    std::cerr << (clock() - start_time) / CLOCKS_PER_SEC << "s" << std::endl;
 //    std::cerr << (clock() - start_time) * 1000 / CLOCKS_PER_SEC << "ms" << std::endl;
-    std::cerr << (clock() - start_time) * 1000000 / CLOCKS_PER_SEC << "us" << std::endl;
+//    std::cerr << (clock() - start_time) * 1000000 / CLOCKS_PER_SEC << "us" << std::endl;
 
 //    std::cout << "complete benchmark" << std::endl;
 
-//    pause();
+    std::cerr << "Press CTRL-C for exit...";
+    pause();
 
     return 0;
 }