(1,18) (2,15) (3,14) (4,13) (5,16) (6,11) (7,12) (8,19) (9,20) (10,17) 
nodes: 548  conflicts: 4  modelTime: 580  solveTime: 667  totalTime: 1250  modelSize: 20646  readTime: 3 size: 10