(1,15) (2,11) (3,14) (4,17) (5,16) (6,19) (7,18) (8,12) (9,13) (10,20) 
nodes: 459  conflicts: 6  modelTime: 655  solveTime: 578  totalTime: 1237  modelSize: 20646  readTime: 4 size: 10