n: 30 m: 352 packed: 10 density: 0 nodes: 0 solveTime: 11480 buildTime: 70 solved: true {0,3,17} {1,24,25} {2,7,21} {4,10,26} {5,15,20} {6,9,22} {8,12,28} {11,13,18} {14,16,19} {23,27,29}