(1,11) (2,15) (3,13) (4,17) (5,16) (6,14) (7,19) (8,20) (9,12) (10,18) 
nodes: 255  conflicts: 4  modelTime: 699  solveTime: 809  totalTime: 1511  modelSize: 20646  readTime: 3 size: 10