n: 30 m: 511 packed: 10 density: 0 nodes: 0 solveTime: 22510 buildTime: 160 solved: true {0,5,21} {1,13,27} {2,4,7} {3,8,18} {6,23,29} {9,19,22} {10,17,28} {11,14,24} {12,20,25} {15,16,26}