n: 30 m: 166 packed: 10 density: 0 nodes: 0 solveTime: 250 buildTime: 10 solved: true {0,2,7} {1,10,11} {3,25,27} {4,20,21} {5,18,19} {6,17,24} {8,13,29} {9,16,28} {12,15,26} {14,22,23}