n: 30 m: 241 packed: 10 density: 0 nodes: 0 solveTime: 430 buildTime: 40 solved: true {0,7,10} {1,23,26} {2,3,8} {4,16,28} {5,14,15} {6,11,19} {9,12,24} {13,17,20} {18,21,27} {22,25,29}