(1,15) (2,14) (3,19) (4,11) (5,16) (6,13) (7,17) (8,20) (9,12) (10,18) 
nodes: 261  conflicts: 8  modelTime: 711  solveTime: 917  totalTime: 1632  modelSize: 20646  readTime: 4 size: 10