n: 30 m: 217 packed: 10 density: 0 nodes: 0 solveTime: 310 buildTime: 30 solved: true {0,1,8} {2,15,23} {3,6,12} {4,26,29} {5,16,20} {7,21,28} {9,10,17} {11,14,19} {13,18,27} {22,24,25}