n: 30 m: 406 packed: 10 density: 0 nodes: 0 solveTime: 5740 buildTime: 100 solved: true {0,16,28} {1,12,29} {2,3,13} {4,8,20} {5,15,21} {6,26,27} {7,9,14} {10,11,24} {17,19,25} {18,22,23}