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 
 10 -3 16 0
-8 20 -19 0
2 -6 -20 0
-7 9 3 0
3 15 -14 0
4 15 20 0
11 -9 -6 0
3 -17 19 0
11 5 -12 0
10 3 -15 0
2 15 18 0
-15 12 11 0
18 -19 -8 0
13 20 9 0
11 -10 -14 0
4 18 -9 0
-7 -17 5 0
-7 11 -15 0
6 2 20 0
16 -18 -17 0
4 -13 -20 0
11 17 -8 0
13 -11 -9 0
-11 13 19 0
12 -19 14 0
10 -1 -20 0
19 -20 13 0
13 2 11 0
17 19 -18 0
19 -20 -10 0
-18 16 15 0
-18 7 -20 0
1 -14 -17 0
1 -11 -18 0
-18 8 13 0
-8 4 16 0
-10 1 13 0
9 3 -20 0
-13 4 8 0
17 -11 18 0
18 20 2 0
-20 -1 4 0
-19 2 -9 0
-9 -16 -15 0
-2 12 9 0
5 19 6 0
-8 -5 -13 0
-18 20 -6 0
5 -18 12 0
2 5 19 0
-5 -8 -11 0
-20 -17 11 0
-18 -14 -16 0
-3 -18 -7 0
-11 20 17 0
-1 -15 -13 0
9 -5 11 0
-17 -7 -1 0
-6 -1 -16 0
-3 -15 -19 0
17 14 11 0
-17 12 13 0
16 12 -2 0
14 10 -16 0
8 -4 5 0
-5 16 17 0
-18 -1 -15 0
11 -15 -13 0
16 -9 -7 0
-8 -15 2 0
-19 -10 1 0
12 -15 -20 0
13 -10 9 0
17 7 18 0
20 15 -2 0
-6 -7 -1 0
14 11 15 0
18 13 -9 0
-4 -12 -2 0
-13 -5 -9 0
5 13 16 0
20 -14 -15 0
19 -20 18 0
19 -17 13 0
3 19 14 0
6 3 20 0
-8 -20 -2 0
12 -10 -19 0
-2 -5 -8 0
13 -4 -11 0
-5 -10 19 0
%
0