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