n: 30 m: 236 packed: 10 density: 0 nodes: 0 solveTime: 2840 buildTime: 40 solved: true {0,11,17} {1,4,5} {2,7,10} {3,12,24} {6,14,20} {8,13,16} {9,21,23} {15,22,29} {18,19,27} {25,26,28}