n: 30 m: 234 packed: 10 density: 0 nodes: 0 solveTime: 1020 buildTime: 30 solved: true {0,7,22} {1,10,20} {2,14,18} {3,16,27} {4,12,21} {5,6,8} {9,24,28} {11,15,29} {13,23,26} {17,19,25}