n: 30 m: 97 packed: 10 density: 0 nodes: 0 solveTime: 40 buildTime: 10 solved: true {0,13,28} {1,15,29} {2,14,26} {3,23,27} {4,6,10} {5,8,25} {7,9,17} {11,12,21} {16,19,20} {18,22,24}