(1,15) (2,11) (3,17) (4,18) (5,12) (6,14) (7,13) (8,20) (9,16) (10,19) 
nodes: 515  conflicts: 3  modelTime: 440  solveTime: 795  totalTime: 1237  modelSize: 20646  readTime: 2 size: 10