n: 40 m: 524 packed: 13 density: 0 nodes: 0 solveTime: 34210 buildTime: 170 solved: true {0,6,39} {1,11,15} {2,20,35} {3,5,10} {4,12,34} {7,25,31} {8,14,17} {13,27,33} {16,30,32} {18,22,26} {19,24,29} {21,23,36} {28,37,38}