n: 40 m: 112 packed: 13 density: 0 nodes: 0 solveTime: 300 buildTime: 0 solved: true {0,8,29} {1,25,26} {2,16,31} {3,22,23} {4,10,38} {5,14,34} {6,18,35} {7,11,32} {9,19,37} {12,28,36} {15,27,33} {17,20,24} {21,30,39}