diff --git a/tested/manual.py b/tested/manual.py
index a093366f..6571933f 100644
--- a/tested/manual.py
+++ b/tested/manual.py
@@ -13,7 +13,7 @@
 from tested.main import run
 from tested.testsuite import SupportedLanguage
 
-exercise_dir = "/home/jorg/Documents/universal-judge/tests/exercises/isbn-list"
+exercise_dir = "/home/jorg/Documents/universal-judge/tests/exercises/lotto"
 
 
 def read_config() -> DodonaConfig:
@@ -24,10 +24,10 @@ def read_config() -> DodonaConfig:
         programming_language=SupportedLanguage("cpp"),
         natural_language="nl",
         resources=Path(exercise_dir, "evaluation"),
-        source=Path(exercise_dir, "solution/solution.cpp"),
+        source=Path(exercise_dir, "solution/wrong.cpp"),
         judge=Path("."),
         workdir=Path("workdir"),
-        test_suite="one-with-assignment.tson",
+        test_suite="two.tson",
         options=Options(
             linter=False,
         ),
diff --git a/tests/exercises/lotto/solution/correct.cpp b/tests/exercises/lotto/solution/correct.cpp
new file mode 100644
index 00000000..02f28f0a
--- /dev/null
+++ b/tests/exercises/lotto/solution/correct.cpp
@@ -0,0 +1,25 @@
+#include <iostream>
+#include <set>
+#include <random>
+#include <algorithm>
+#include <sstream>
+
+std::string loterij(int aantal = 6, int maximum = 42) {
+    std::set<int> getallen;
+    std::random_device rd;
+    std::mt19937 gen(rd());
+    std::uniform_int_distribution<> dis(1, maximum);
+
+    while (getallen.size() < aantal) {
+        getallen.insert(dis(gen));
+    }
+
+    std::ostringstream oss;
+    for (auto num : getallen) {
+        oss << num << " - ";
+    }
+
+    std::string result = oss.str();
+    result = result.substr(0, result.length() - 3); // Remove the last " - "
+    return result;
+}
\ No newline at end of file
diff --git a/tests/exercises/lotto/solution/wrong.cpp b/tests/exercises/lotto/solution/wrong.cpp
new file mode 100644
index 00000000..9416e8db
--- /dev/null
+++ b/tests/exercises/lotto/solution/wrong.cpp
@@ -0,0 +1,23 @@
+#include <iostream>
+#include <set>
+#include <random>
+#include <algorithm>
+#include <sstream>
+#include <iterator>
+
+std::string loterij(int aantal = 6, int maximum = 42) {
+    std::set<int> getallen;
+    std::random_device rd;
+    std::mt19937 gen(rd());
+    std::uniform_int_distribution<> dis(1, maximum);
+
+    while (getallen.size() < aantal) {
+        getallen.insert(dis(gen));
+    }
+
+    std::ostringstream oss;
+    std::copy(getallen.rbegin(), getallen.rend(), std::ostream_iterator<int>(oss, " - "));
+    std::string result = oss.str();
+    result = result.substr(0, result.length() - 3); // Remove the trailing " - "
+    return result;
+}