c This Formular is generated by mcnf
c
c    horn? no 
c    forced? no 
c    mixed sat? no 
c    clause length = 3 
c
p cnf 20  91 
 -17 -12 -5 0
-14 -10 6 0
6 20 9 0
-12 -5 -9 0
-2 -3 -16 0
-10 -16 7 0
-9 -5 12 0
-3 2 -4 0
-20 18 9 0
14 -12 -17 0
14 -8 19 0
16 -3 -12 0
12 -20 3 0
-3 -11 15 0
12 9 3 0
-20 13 -8 0
12 17 9 0
-7 -10 -13 0
-11 -2 -10 0
2 -9 -4 0
-2 -7 -1 0
11 20 19 0
-20 7 15 0
8 -16 1 0
13 19 -4 0
-8 -1 -5 0
19 14 15 0
6 7 3 0
5 -11 -19 0
-15 -12 19 0
5 16 14 0
2 4 -7 0
-9 -14 13 0
-11 -3 6 0
17 -11 15 0
-19 -18 -9 0
-7 -2 19 0
13 3 19 0
-13 9 -16 0
-7 13 -10 0
-11 6 -17 0
11 12 19 0
-16 -2 -12 0
-4 -5 6 0
14 -2 1 0
-3 4 -15 0
-16 12 -11 0
-3 -17 -2 0
-11 -14 -18 0
4 -7 14 0
-13 -10 8 0
8 4 -17 0
-3 -20 -18 0
7 -5 10 0
-7 -4 16 0
-4 -7 12 0
-17 5 6 0
10 -8 -7 0
-11 5 8 0
-20 5 -11 0
5 19 3 0
-8 15 13 0
7 11 -5 0
-12 17 8 0
-18 -10 17 0
-15 -16 -4 0
4 -12 3 0
-8 -5 7 0
-6 -10 -9 0
-15 5 14 0
-12 -16 -1 0
6 -16 9 0
-10 -4 9 0
18 -3 12 0
-2 15 -11 0
-20 -18 -7 0
17 18 13 0
-9 -16 12 0
-19 -10 -11 0
17 -18 -5 0
19 -12 8 0
-3 -8 19 0
-5 -2 -19 0
-5 18 -20 0
-6 13 11 0
-11 17 9 0
-19 17 -8 0
-19 -12 -10 0
-19 -8 -20 0
19 -2 -7 0
-11 5 -10 0
%
0