n: 30 m: 375 packed: 10 density: 0 nodes: 0 solveTime: 9120 buildTime: 90 solved: true {0,8,24} {1,7,28} {2,17,29} {3,21,27} {4,22,25} {5,10,14} {6,9,23} {11,15,26} {12,19,20} {13,16,18}