n: 40 m: 262 packed: 13 density: 0 nodes: 0 solveTime: 3380 buildTime: 50 solved: true {0,11,39} {1,13,16} {2,12,17} {3,4,15} {5,6,9} {7,28,29} {8,23,37} {10,18,34} {14,19,24} {20,22,26} {21,25,31} {27,33,36} {30,35,38}