(1,19) (2,13) (3,14) (4,12) (5,20) (6,18) (7,15) (8,11) (9,17) (10,16) 
nodes: 405  conflicts: 1  modelTime: 695  solveTime: 814  totalTime: 1512  modelSize: 20646  readTime: 3 size: 10