n: 30 m: 202 packed: 10 density: 0 nodes: 0 solveTime: 890 buildTime: 20 solved: true {0,2,25} {1,19,26} {3,8,27} {4,7,10} {5,14,21} {6,12,29} {9,15,20} {11,16,22} {13,23,24} {17,18,28}