diff --git a/.gitmodules b/.gitmodules
index e69de29..a90b78d 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "python/lattice-estimator"]
+	path = python/lattice-estimator
+	url = https://github.com/malb/lattice-estimator.git
diff --git a/python/CCbound.py b/python/CCbound.py
index 4189a58..8ecfa26 100644
--- a/python/CCbound.py
+++ b/python/CCbound.py
@@ -212,8 +212,8 @@ def romnoisecalc(brP,ikP,privksP,ROMaddress):
 # blindrotate(lvl02param,dists)
 # GateBootstrapping(lvl01param,lvl10param,dists)
 # GateBootstrapping(lvl12param,lvl21param,dists)
-# privatekeyswitching(lvl11param,dists)
-privatekeyswitching(lvl21param,dists)
+privatekeyswitching(lvl11param,dists)
+# privatekeyswitching(lvl21param,dists)
 # privatekeyswitching(lvl22param,dists)
 # annihilatekeyswitching(lvl2param,dists)
 # CircuitBootstrapping(lvl02param,lvl21param,dists)
diff --git a/python/lattice-estimator b/python/lattice-estimator
new file mode 160000
index 0000000..09e235e
--- /dev/null
+++ b/python/lattice-estimator
@@ -0,0 +1 @@
+Subproject commit 09e235e28e7888cfd3f4408eb266ffc35020ab0c
diff --git a/python/newTFHE.py b/python/newTFHE.py
new file mode 100644
index 0000000..7bc3008
--- /dev/null
+++ b/python/newTFHE.py
@@ -0,0 +1,12 @@
+#!/bin/python3
+import importlib
+estimator = importlib.import_module(".estimator","lattice-estimator")
+# param = estimator.schemes.TFHE630
+param = estimator.lwe_parameters.LWEParameters(
+    n=586,
+    q=2 ** 32,
+    Xs=estimator.nd.NoiseDistribution.UniformMod(2),
+    Xe=estimator.nd.NoiseDistribution.DiscreteGaussian(stddev=0.000_092_511_997_467_675_6 * 2 ** 32),
+    tag="TFHE586",
+)
+r = estimator.LWE.estimate(param)
\ No newline at end of file