n: 40 m: 203 packed: 13 density: 0 nodes: 0 solveTime: 380 buildTime: 20 solved: true {0,8,15} {1,6,11} {2,20,27} {3,7,17} {4,21,36} {5,29,33} {9,34,37} {10,16,24} {13,22,25} {14,19,28} {18,23,39} {26,31,38} {30,32,35}