n: 30 m: 154 packed: 10 density: 0 nodes: 0 solveTime: 530 buildTime: 10 solved: true {0,23,25} {1,12,14} {2,15,21} {3,8,16} {4,11,17} {5,13,29} {6,26,28} {7,9,10} {18,20,24} {19,22,27}