n: 30 m: 216 packed: 10 density: 0 nodes: 0 solveTime: 430 buildTime: 30 solved: true {0,1,5} {2,13,28} {3,10,27} {4,18,23} {6,26,29} {7,14,16} {8,12,21} {9,15,17} {11,24,25} {19,20,22}