(1,18) (2,13) (3,16) (4,11) (5,19) (6,14) (7,17) (8,20) (9,12) (10,15) 
nodes: 519  conflicts: 6  modelTime: 754  solveTime: 680  totalTime: 1438  modelSize: 20646  readTime: 4 size: 10