n: 30 m: 197 packed: 10 density: 0 nodes: 0 solveTime: 1480 buildTime: 20 solved: true {0,1,6} {2,10,18} {3,8,29} {4,11,14} {5,23,24} {7,13,16} {9,17,27} {12,21,28} {15,19,22} {20,25,26}