(1,18) (2,14) (3,13) (4,19) (5,17) (6,16) (7,20) (8,11) (9,15) (10,12) 
nodes: 685  conflicts: 4  modelTime: 578  solveTime: 676  totalTime: 1258  modelSize: 20646  readTime: 4 size: 10