(1,19) (2,18) (3,15) (4,13) (5,14) (6,11) (7,20) (8,17) (9,12) (10,16) 
nodes: 176  conflicts: 0  modelTime: 723  solveTime: 633  totalTime: 1359  modelSize: 20646  readTime: 3 size: 10