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