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