n: 40 m: 167 packed: 13 density: 0 nodes: 0 solveTime: 190 buildTime: 20 solved: true {0,11,38} {1,17,32} {2,6,24} {3,28,39} {4,20,33} {5,19,21} {7,13,37} {8,30,34} {9,10,26} {12,18,35} {14,16,36} {15,25,27} {22,29,31}