(1,17) (2,18) (3,16) (4,14) (5,19) (6,13) (7,20) (8,11) (9,15) (10,12) 
nodes: 420  conflicts: 4  modelTime: 759  solveTime: 493  totalTime: 1256  modelSize: 20646  readTime: 4 size: 10