(1,18) (2,14) (3,12) (4,16) (5,13) (6,17) (7,15) (8,20) (9,11) (10,19) 
nodes: 664  conflicts: 10  modelTime: 810  solveTime: 1090  totalTime: 1905  modelSize: 20646  readTime: 5 size: 10