n: 30 m: 226 packed: 10 density: 0 nodes: 0 solveTime: 1140 buildTime: 30 solved: true {0,12,14} {1,17,20} {2,15,18} {3,19,29} {4,13,27} {5,25,28} {6,22,24} {7,9,11} {8,16,26} {10,21,23}