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