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