n: 30 m: 323 packed: 10 density: 0 nodes: 0 solveTime: 2110 buildTime: 60 solved: true {0,2,4} {1,5,8} {3,6,10} {7,21,27} {9,23,24} {11,16,28} {12,13,18} {14,20,29} {15,17,19} {22,25,26}