n: 30 m: 423 packed: 10 density: 0 nodes: 0 solveTime: 11130 buildTime: 110 solved: true {0,19,28} {1,3,8} {2,21,23} {4,5,14} {6,12,15} {7,13,22} {9,16,24} {10,11,26} {17,18,25} {20,27,29}