n: 30 m: 132 packed: 10 density: 0 nodes: 0 solveTime: 380 buildTime: 10 solved: true {0,9,14} {1,23,24} {2,15,26} {3,13,25} {4,10,21} {5,20,28} {6,11,12} {7,16,19} {8,22,29} {17,18,27}