n: 40 m: 162 packed: 13 density: 0 nodes: 0 solveTime: 360 buildTime: 10 solved: true {0,30,38} {1,23,33} {2,28,31} {3,29,39} {4,16,34} {5,12,21} {6,26,27} {7,20,24} {8,35,37} {9,13,32} {10,15,36} {11,14,25} {17,18,22}