n: 40 m: 96 packed: 13 density: 0 nodes: 0 solveTime: 270 buildTime: 0 solved: true {0,4,39} {1,7,9} {2,30,38} {3,24,31} {5,13,15} {6,8,10} {11,28,29} {12,19,21} {14,17,26} {16,18,23} {20,27,36} {25,32,35} {33,34,37}