n: 40 m: 581 packed: 13 density: 0 nodes: 0 solveTime: 38100 buildTime: 180 solved: true {0,20,38} {1,2,12} {3,34,39} {4,33,36} {5,6,8} {7,16,25} {9,13,15} {10,17,29} {11,26,27} {14,19,31} {21,22,23} {24,28,30} {32,35,37}