n: 40 m: 632 packed: 13 density: 0 nodes: 0 solveTime: 64640 buildTime: 230 solved: true {0,22,38} {1,16,28} {2,6,33} {3,20,34} {4,5,9} {7,30,31} {8,23,29} {10,17,27} {11,21,24} {12,26,36} {13,18,32} {14,35,37} {15,19,25}