n: 30 m: 103 packed: 10 density: 0 nodes: 0 solveTime: 260 buildTime: 10 solved: true {0,5,28} {1,4,29} {2,13,21} {3,7,24} {6,12,16} {8,15,23} {9,11,25} {10,22,26} {14,18,19} {17,20,27}