n: 30 m: 210 packed: 10 density: 0 nodes: 0 solveTime: 540 buildTime: 20 solved: true {0,6,22} {1,16,23} {2,20,28} {3,4,14} {5,7,17} {8,13,15} {9,10,11} {12,25,26} {18,24,27} {19,21,29}