n: 40 m: 89 packed: 13 density: 0 nodes: 0 solveTime: 50 buildTime: 10 solved: true {0,32,36} {1,15,22} {2,21,35} {3,12,23} {4,25,34} {6,10,37} {7,8,20} {9,13,31} {11,26,29} {14,16,38} {17,30,33} {18,19,28} {24,27,39}