n: 30 m: 126 packed: 10 density: 0 nodes: 0 solveTime: 580 buildTime: 10 solved: true {0,3,28} {1,20,29} {2,6,25} {4,13,19} {5,7,27} {8,10,17} {9,11,15} {12,14,26} {16,18,21} {22,23,24}