n: 40 m: 589 packed: 13 density: 0 nodes: 0 solveTime: 34690 buildTime: 210 solved: true {0,22,35} {1,3,23} {2,4,25} {5,34,36} {6,24,28} {7,18,19} {8,20,30} {9,12,32} {10,27,31} {11,15,17} {13,16,38} {14,26,29} {21,33,37}