n: 30 m: 97 packed: 10 density: 0 nodes: 0 solveTime: 120 buildTime: 10 solved: true {0,6,8} {1,2,17} {3,26,29} {4,10,21} {5,15,16} {7,11,12} {9,14,23} {13,24,28} {18,19,25} {20,22,27}