n: 40 m: 186 packed: 13 density: 0 nodes: 0 solveTime: 270 buildTime: 20 solved: true {0,24,28} {1,13,17} {2,32,36} {3,26,31} {4,20,34} {5,37,38} {6,11,18} {7,12,27} {8,10,21} {9,19,39} {14,15,22} {23,29,33} {25,30,35}