n: 40 m: 314 packed: 13 density: 0 nodes: 0 solveTime: 4320 buildTime: 60 solved: true {0,14,37} {1,2,16} {3,10,17} {5,22,33} {6,8,21} {7,9,26} {11,15,23} {12,24,31} {13,35,38} {18,20,36} {19,27,34} {25,30,39} {28,29,32}