n: 40 m: 190 packed: 13 density: 0 nodes: 0 solveTime: 1520 buildTime: 20 solved: true {0,22,39} {1,23,33} {2,20,35} {3,15,38} {4,10,11} {5,21,30} {6,16,37} {7,9,26} {8,19,28} {12,24,27} {13,18,31} {14,17,25} {29,32,34}