n: 30 m: 294 packed: 10 density: 0 nodes: 0 solveTime: 1550 buildTime: 60 solved: true {0,11,13} {1,2,9} {3,6,14} {4,19,26} {5,7,8} {10,16,29} {12,21,25} {15,23,27} {17,18,20} {22,24,28}