n: 40 m: 119 packed: 13 density: 0 nodes: 0 solveTime: 180 buildTime: 10 solved: true {0,19,35} {1,14,37} {2,6,29} {3,17,18} {4,11,27} {5,24,26} {7,12,36} {8,13,20} {9,16,21} {10,32,34} {15,23,39} {22,28,38} {30,31,33}