n: 40 m: 175 packed: 13 density: 0 nodes: 0 solveTime: 390 buildTime: 20 solved: true {0,14,39} {1,28,33} {2,16,27} {3,24,38} {4,21,35} {5,13,31} {6,29,30} {7,11,19} {8,17,23} {9,22,37} {10,12,18} {15,32,34} {20,25,36}