n: 30 m: 158 packed: 10 density: 0 nodes: 0 solveTime: 440 buildTime: 10 solved: true {0,16,21} {1,14,22} {2,20,25} {3,24,28} {4,10,17} {5,6,7} {8,15,27} {9,13,26} {11,23,29} {12,18,19}