n: 30 m: 182 packed: 10 density: 0 nodes: 0 solveTime: 490 buildTime: 20 solved: true {0,4,28} {1,18,24} {2,6,23} {3,5,26} {7,10,29} {8,12,19} {9,11,15} {13,14,25} {16,21,27} {17,20,22}