n: 30 m: 432 packed: 10 density: 0 nodes: 0 solveTime: 14240 buildTime: 110 solved: true {0,3,9} {1,21,29} {2,4,7} {5,10,16} {6,8,17} {11,22,28} {12,25,27} {13,14,20} {15,23,26} {18,19,24}