n: 30 m: 331 packed: 10 density: 0 nodes: 0 solveTime: 2540 buildTime: 70 solved: true {0,25,26} {1,16,22} {2,20,29} {3,18,24} {4,5,23} {6,27,28} {7,8,10} {9,12,13} {11,14,15} {17,19,21}