n: 30 m: 153 packed: 10 density: 0 nodes: 0 solveTime: 280 buildTime: 10 solved: true {0,14,17} {1,24,26} {2,22,25} {3,20,27} {4,9,12} {5,6,18} {7,8,13} {10,28,29} {11,15,19} {16,21,23}