(1,19) (2,15) (3,12) (4,13) (5,16) (6,14) (7,17) (8,18) (9,20) (10,11) 
nodes: 543  conflicts: 10  modelTime: 764  solveTime: 848  totalTime: 1616  modelSize: 20658  readTime: 4 size: 10