(1,12) (2,17) (3,16) (4,18) (5,15) (6,13) (7,20) (8,11) (9,14) (10,19) 
nodes: 644  conflicts: 4  modelTime: 662  solveTime: 1322  totalTime: 1988  modelSize: 20646  readTime: 4 size: 10