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