n: 30 m: 328 packed: 10 density: 0 nodes: 0 solveTime: 3760 buildTime: 60 solved: true {0,2,6} {1,15,19} {3,10,14} {4,16,28} {5,18,29} {7,17,27} {8,11,26} {9,23,25} {12,21,22} {13,20,24}