(1,18) (2,19) (3,15) (4,17) (5,14) (6,12) (7,16) (8,11) (9,20) (10,13) 
nodes: 478  conflicts: 0  modelTime: 694  solveTime: 671  totalTime: 1370  modelSize: 20646  readTime: 4 size: 10