n: 40 m: 569 packed: 13 density: 0 nodes: 0 solveTime: 88930 buildTime: 180 solved: true {0,14,29} {1,10,12} {2,18,37} {3,13,26} {4,8,11} {5,30,32} {6,7,20} {9,15,34} {16,33,36} {17,21,38} {22,23,24} {25,31,35} {27,28,39}