n: 40 m: 165 packed: 13 density: 0 nodes: 0 solveTime: 820 buildTime: 20 solved: true {0,36,37} {1,16,17} {2,15,24} {3,20,27} {4,21,38} {5,12,33} {6,11,35} {7,25,34} {8,22,30} {9,10,31} {13,29,32} {14,23,26} {18,19,39}