(1,13) (2,16) (3,12) (4,11) (5,14) (6,19) (7,18) (8,20) (9,15) (10,17) 
nodes: 511  conflicts: 4  modelTime: 661  solveTime: 506  totalTime: 1171  modelSize: 20646  readTime: 4 size: 10