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