(1,18) (2,19) (3,11) (4,13) (5,15) (6,14) (7,16) (8,20) (9,17) (10,12) 
nodes: 1568  conflicts: 10  modelTime: 672  solveTime: 1615  totalTime: 2291  modelSize: 20646  readTime: 4 size: 10