(1,18) (2,20) (3,12) (4,13) (5,14) (6,11) (7,16) (8,15) (9,17) (10,19) 
nodes: 488  conflicts: 4  modelTime: 713  solveTime: 741  totalTime: 1458  modelSize: 20646  readTime: 4 size: 10