n: 40 m: 216 packed: 13 density: 0 nodes: 0 solveTime: 1010 buildTime: 30 solved: true {0,2,30} {1,25,37} {3,12,16} {4,13,21} {5,19,28} {6,8,24} {7,17,32} {9,22,29} {10,23,33} {11,20,34} {14,36,39} {15,31,35} {18,27,38}