n: 30 m: 338 packed: 10 density: 0 nodes: 0 solveTime: 4290 buildTime: 70 solved: true {0,1,12} {2,8,20} {3,9,14} {4,13,21} {5,10,11} {6,7,18} {15,19,28} {16,22,24} {17,23,27} {25,26,29}