(1,13) (2,14) (3,16) (4,18) (5,17) (6,11) (7,12) (8,20) (9,19) (10,15) 
nodes: 631  conflicts: 6  modelTime: 683  solveTime: 1170  totalTime: 1857  modelSize: 20646  readTime: 4 size: 10