(1,18) (2,16) (3,11) (4,20) (5,17) (6,13) (7,14) (8,19) (9,15) (10,12) 
nodes: 989  conflicts: 4  modelTime: 658  solveTime: 1789  totalTime: 2451  modelSize: 20646  readTime: 4 size: 10