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