(1,19) (2,15) (3,18) (4,14) (5,12) (6,17) (7,20) (8,16) (9,11) (10,13) 
nodes: 728  conflicts: 4  modelTime: 657  solveTime: 974  totalTime: 1635  modelSize: 20646  readTime: 4 size: 10