n: 30 m: 334 packed: 10 density: 0 nodes: 0 solveTime: 2690 buildTime: 70 solved: true {0,21,24} {1,23,25} {2,10,11} {3,18,20} {4,7,8} {5,9,16} {6,17,28} {12,15,27} {13,26,29} {14,19,22}