n: 30 m: 390 packed: 10 density: 0 nodes: 0 solveTime: 7550 buildTime: 90 solved: true {0,1,5} {2,14,23} {3,12,24} {4,16,27} {6,10,17} {7,20,26} {8,19,25} {9,11,15} {13,22,28} {18,21,29}