n: 30 m: 105 packed: 10 density: 0 nodes: 0 solveTime: 210 buildTime: 10 solved: true {0,2,11} {1,9,25} {3,12,26} {4,6,8} {5,23,24} {7,14,18} {10,22,27} {13,15,19} {16,17,21} {20,28,29}