n: 30 m: 157 packed: 10 density: 0 nodes: 0 solveTime: 430 buildTime: 10 solved: true {0,25,26} {1,9,11} {2,7,24} {3,13,28} {4,12,17} {5,18,22} {6,19,27} {8,20,21} {10,14,16} {15,23,29}