(1,18) (2,15) (3,12) (4,19) (5,16) (6,14) (7,11) (8,13) (9,17) (10,20) 
nodes: 268  conflicts: 1  modelTime: 660  solveTime: 419  totalTime: 1083  modelSize: 20646  readTime: 4 size: 10