n: 30 m: 393 packed: 10 density: 0 nodes: 0 solveTime: 10240 buildTime: 90 solved: true {0,14,19} {1,8,20} {2,15,18} {3,12,23} {4,5,11} {6,10,29} {7,13,17} {9,24,26} {16,25,27} {21,22,28}