n: 30 m: 200 packed: 10 density: 0 nodes: 0 solveTime: 940 buildTime: 20 solved: true {0,18,23} {1,22,24} {2,3,25} {4,6,7} {5,26,27} {8,20,21} {9,14,29} {10,13,28} {11,17,19} {12,15,16}