diff --git a/CMakeLists.txt b/CMakeLists.txt
index b556b3f..a8a2a72 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 3.28)
+cmake_minimum_required(VERSION 3.18)
 project(rwsim)
 
 set(CMAKE_CXX_STANDARD 17)
diff --git a/build.sh b/build.sh
new file mode 100644
index 0000000..934ac2c
--- /dev/null
+++ b/build.sh
@@ -0,0 +1,10 @@
+mkdir build
+cd build
+
+cmake ..
+cmake --build .
+
+cd ..
+
+python test.py
+
diff --git a/config.txt b/config.txt
index 5136da4..1d278ce 100644
--- a/config.txt
+++ b/config.txt
@@ -1,5 +1,5 @@
 # Simulation part
-num_walker=20000
+num_walker=50000
 # Motion model part
 delta=161e3
 eta=0.0
@@ -19,19 +19,3 @@ tmix_start=1e-5
 tmix_stop=1e1
 tmix_steps=61
 tau=0.001
-tau=0.001
-tau=0.001
-tau=0.001
-tau=0.001
-tau=0.001
-tau=0.01
-tau=0.0031622776601683794
-tau=0.001
-tau=0.00031622776601683794
-tau=0.0001
-tau=3.1622776601683795e-05
-tau=1e-05
-tau=3.162277660168379e-06
-tau=1e-06
-tau=3.162277660168379e-07
-tau=1e-07
diff --git a/main.cpp b/main.cpp
index 20385b0..82629de 100644
--- a/main.cpp
+++ b/main.cpp
@@ -24,18 +24,16 @@ int main (const int argc, char *argv[]) {
 
     std::unordered_map parameter { read_parameter(args.parameter_file) };
 
-
-
     std::random_device rd;
     std::mt19937_64 rng(rd());
 
     // auto motion = BimodalAngle(1, 1, 2, 30, 0.98, rng);
     // auto motion = TetrahedralJump(rng);
     // auto motion = RandomJump(rng);
-    auto motion = SmallAngle(1, 1, 1, rng);
+    auto motion = SmallAngle(1, 1, 20, rng);
 
-    // auto dist = DeltaDistribution(rng);
-    auto dist = LogNormalDistribution(1, 2, rng);
+    auto dist = DeltaDistribution(rng);
+    // auto dist = LogNormalDistribution(1, 2, rng);
 
 
     if (args.spectrum) {
diff --git a/test.py b/test.py
index 4bfb0b0..aa4cd76 100644
--- a/test.py
+++ b/test.py
@@ -8,9 +8,10 @@ import matplotlib.pyplot as plt
 
 def run_sims(taus):
     for tau in taus:
+        print('tau')
         with pathlib.Path('./config.txt').open('a') as f:
             f.write(f'tau={tau}\n')
-        subprocess.run(['./cmake-build-debug/rwsim', '-ste', './config.txt'])
+        subprocess.run(['./build/rwsim', '-ste', './config.txt'])
 
 
 def dampening(x: np.ndarray, apod: float) -> np.ndarray:
@@ -84,7 +85,7 @@ def post_process_ste(taus):
 
 
 if __name__ == '__main__':
-    tau_values = np.logspace(-3, -2, 1)
+    tau_values = np.logspace(-2, -6, 1)
     lb = 2e3
     pulse_length = 2e-6