n: 30 m: 299 packed: 10 density: 0 nodes: 0 solveTime: 2470 buildTime: 60 solved: true {0,12,27} {1,24,26} {2,8,28} {3,14,29} {4,10,20} {5,6,7} {9,18,25} {11,15,19} {13,16,23} {17,21,22}