n: 30 m: 203 packed: 10 density: 0 nodes: 0 solveTime: 840 buildTime: 30 solved: true {0,7,25} {1,16,23} {2,8,11} {3,12,29} {4,6,13} {5,15,19} {9,10,22} {14,18,26} {17,21,27} {20,24,28}