(1,16) (2,15) (3,19) (4,18) (5,13) (6,17) (7,20) (8,11) (9,12) (10,14) 
nodes: 645  conflicts: 4  modelTime: 806  solveTime: 1131  totalTime: 1941  modelSize: 20646  readTime: 4 size: 10