(1,18) (2,15) (3,12) (4,16) (5,11) (6,19) (7,20) (8,13) (9,17) (10,14) 
nodes: 271  conflicts: 1  modelTime: 630  solveTime: 418  totalTime: 1051  modelSize: 20646  readTime: 3 size: 10