EXTRACREDIT Jeremy J. Carroll This is the classic 3 SAT problem.
c genAlea with seed 1366722535
p cnf 9 45
7 -9 -8 0
1 2 -8 0
4 7 -5 0
2 3 -1 0
-1 5 8 0
-8 -6 -3 0
-3 -8 7 0
-3 6 8 0
-4 -6 8 0
6 7 3 0
3 6 -9 0
-5 -2 3 0
5 8 2 0
-2 -7 -3 0
-6 -8 -5 0
2 7 -3 0
9 -1 -2 0
1 7 -6 0
1 9 -3 0
-8 -9 -2 0
-9 -8 2 0
5 8 4 0
-7 2 5 0
-1 7 -4 0
7 -8 4 0
-3 2 -6 0
1 -2 -9 0
7 3 -2 0
-7 8 4 0
1 -7 -5 0
-5 4 -3 0
6 7 -1 0
-1 7 -9 0
3 2 6 0
8 3 -7 0
-1 9 -8 0
5 -9 -7 0
-7 3 -9 0
3 -1 -2 0
6 1 4 0
6 -7 5 0
8 -6 3 0
5 -2 6 0
8 3 -5 0
-2 -4 -9 0