n: 40 m: 453 packed: 13 density: 0 nodes: 0 solveTime: 8930 buildTime: 120 solved: true {0,11,37} {1,6,14} {2,28,34} {3,4,22} {5,18,25} {7,27,35} {8,23,33} {9,19,31} {10,20,39} {12,17,24} {13,29,38} {15,30,36} {16,26,32}