n: 30 m: 294 packed: 10 density: 0 nodes: 0 solveTime: 1380 buildTime: 60 solved: true {0,23,25} {1,6,20} {2,12,22} {3,10,16} {4,8,27} {5,9,21} {7,14,29} {11,13,18} {15,17,28} {19,24,26}