(1,12) (2,15) (3,13) (4,17) (5,19) (6,11) (7,20) (8,14) (9,16) (10,18) 
nodes: 401  conflicts: 2  modelTime: 717  solveTime: 536  totalTime: 1257  modelSize: 20646  readTime: 4 size: 10