(1,15) (2,13) (3,11) (4,16) (5,18) (6,12) (7,20) (8,14) (9,19) (10,17) 
nodes: 369  conflicts: 1  modelTime: 705  solveTime: 640  totalTime: 1350  modelSize: 20646  readTime: 4 size: 10