diff --git a/solver.py b/solver.py
index 658c9c32981c5f1d61e7c4ecde30f6f477116b2e..2cbbbdfd51648f5dbf5cb906f52bdc51cb674355 100644
--- a/solver.py
+++ b/solver.py
@@ -8,6 +8,7 @@ import math
 import re
 import glob
 import time
+import random
 
 if __name__ == '__main__':
     import cv2 as cv # opencv
@@ -359,7 +360,7 @@ def debug_satA(filename, Q, nodes, TF=None):
     return A
                 
 
-def generate_sat(Q, WH=None):
+def generate_sat(Q, WH=None, seed=0):
     nodes = {}
     cnfs = []
 
@@ -395,6 +396,15 @@ def generate_sat(Q, WH=None):
         for i in range(h):
             for j in range(w):
                 nodes[f'l{l}_{j}_{i}'] = len(nodes) + 1
+
+    # minisatが決定的に動く?ので変数の番号をランダムに割り当て
+    keys = list(nodes.keys())
+    values = list(nodes.values())
+    random.seed(seed)
+    np.random.seed(seed)
+    random.shuffle(values)
+    nodes = dict(zip(keys, values))
+    
     # b one-hot
     for b in range(1,num_b+1):
         cnf = {}
@@ -649,7 +659,7 @@ def generate_sat(Q, WH=None):
     
 def main():
     
-    #Q = readQ('./adc2019problem/Q001_10X10_b8_l11.txt')
+    Q = readQ('./adc2019problem/Q001_10X10_b8_l11.txt')
     #Q = readQ('./adc2019problem/Q002_10X10_b8_l9.txt')
     #Q = readQ('./adc2019problem/Q003_10X10_b5_l5.txt')
     #Q = readQ('./adc2019problem/Q004_10X10_b8_l9.txt')
@@ -663,10 +673,10 @@ def main():
     #Q = readQ('./adc2019problem/Q014_10X10_b9_l9.txt')
     #Q = readQ('./adc2019problem/Q015_10X10_b8_l9.txt')
     #Q = readQ('./adc2019problem/QRAND327_20X20_b20_l15.txt')
-    Q = readQ('./adc2019problem/QRAND368_10X10_b10_l15.txt')
+    #Q = readQ('./adc2019problem/QRAND368_10X10_b10_l15.txt')
 
     #start_time = time.time() 
-    nodes,cnfs = generate_sat(Q, WH=None)
+    nodes,cnfs = generate_sat(Q, WH=None, seed=0)
     print_cnf(nodes, cnfs)
     os.system('minisat p.txt a.txt')
     A = read_satA('a.txt', Q, nodes)
diff --git a/twd_solver.py b/twd_solver.py
index e7e33ea74873d192750b3b97a1121b8f688fcf42..810b7fd05a91768f85c81328220bd2621b2bc24d 100644
--- a/twd_solver.py
+++ b/twd_solver.py
@@ -1,6 +1,7 @@
 import argparse
 import os
 import subprocess
+import time
 
 if __name__ == '__main__':
     import solver
@@ -31,6 +32,7 @@ def solve(params):
 
     problem = params['problem']
     timeout = params['timeout']
+    seed = params.get('seed', int(time.time))
 
     basedir = os.path.abspath(os.path.dirname(__file__))