n: 40 m: 226 packed: 13 density: 0 nodes: 0 solveTime: 2150 buildTime: 30 solved: true {0,10,36} {1,15,18} {2,31,39} {3,11,27} {4,6,19} {7,21,28} {8,32,35} {9,17,30} {12,34,37} {13,20,22} {14,23,29} {16,24,26} {25,33,38}