n: 30 m: 208 packed: 10 density: 0 nodes: 0 solveTime: 480 buildTime: 30 solved: true {0,4,15} {1,6,22} {2,8,27} {3,25,29} {5,16,19} {7,11,13} {9,17,28} {10,14,18} {12,20,23} {21,24,26}