(1,16) (2,13) (3,17) (4,12) (5,19) (6,11) (7,18) (8,20) (9,14) (10,15) 
nodes: 256  conflicts: 4  modelTime: 679  solveTime: 522  totalTime: 1205  modelSize: 20646  readTime: 4 size: 10