(1,15) (2,14) (3,18) (4,16) (5,12) (6,20) (7,19) (8,11) (9,13) (10,17) 
nodes: 643  conflicts: 9  modelTime: 675  solveTime: 914  totalTime: 1594  modelSize: 20646  readTime: 5 size: 10