n: 30 m: 116 packed: 10 density: 0 nodes: 0 solveTime: 270 buildTime: 10 solved: true {0,9,28} {1,10,14} {2,15,17} {3,21,29} {4,6,8} {5,13,16} {7,20,22} {11,18,25} {12,24,26} {19,23,27}