(1,18) (2,13) (3,16) (4,19) (5,12) (6,17) (7,15) (8,20) (9,14) (10,11) 
nodes: 479  conflicts: 2  modelTime: 721  solveTime: 649  totalTime: 1374  modelSize: 20646  readTime: 4 size: 10