(1,18) (2,11) (3,17) (4,19) (5,13) (6,16) (7,14) (8,20) (9,15) (10,12) 
nodes: 509  conflicts: 0  modelTime: 709  solveTime: 767  totalTime: 1479  modelSize: 20646  readTime: 3 size: 10