n: 30 m: 226 packed: 10 density: 0 nodes: 0 solveTime: 1190 buildTime: 30 solved: true {0,23,25} {1,20,27} {2,7,12} {3,8,14} {4,28,29} {5,6,24} {9,21,26} {10,13,16} {11,18,22} {15,17,19}