(1,19) (2,13) (3,15) (4,14) (5,12) (6,17) (7,16) (8,11) (9,20) (10,18) 
nodes: 439  conflicts: 4  modelTime: 674  solveTime: 838  totalTime: 1516  modelSize: 20646  readTime: 4 size: 10