(1,15) (2,14) (3,18) (4,11) (5,20) (6,16) (7,19) (8,12) (9,17) (10,13) 
nodes: 689  conflicts: 2  modelTime: 584  solveTime: 667  totalTime: 1255  modelSize: 20646  readTime: 4 size: 10