n: 30 m: 114 packed: 10 density: 0 nodes: 0 solveTime: 440 buildTime: 10 solved: true {0,4,10} {1,7,29} {2,16,28} {3,5,20} {6,12,13} {8,11,25} {9,17,19} {14,24,26} {15,21,27} {18,22,23}