n: 40 m: 499 packed: 13 density: 0 nodes: 0 solveTime: 18330 buildTime: 150 solved: true {0,30,34} {1,8,21} {2,31,33} {3,6,17} {4,18,39} {5,7,10} {11,15,29} {12,13,37} {14,27,36} {16,22,32} {19,20,35} {23,24,28} {25,26,38}