n: 30 m: 343 packed: 10 density: 0 nodes: 0 solveTime: 10770 buildTime: 70 solved: true {0,6,7} {1,2,8} {3,4,14} {5,20,23} {9,12,21} {10,15,29} {11,25,26} {13,16,18} {17,22,24} {19,27,28}