n: 30 m: 225 packed: 10 density: 0 nodes: 0 solveTime: 1390 buildTime: 40 solved: true {0,7,14} {1,19,29} {2,16,28} {3,20,25} {4,8,11} {5,21,27} {6,9,22} {10,12,18} {13,15,26} {17,23,24}