n: 30 m: 83 packed: 10 density: 0 nodes: 0 solveTime: 330 buildTime: 0 solved: true {0,25,26} {1,11,15} {2,4,10} {3,9,17} {5,19,23} {6,20,28} {7,8,13} {12,14,16} {18,21,24} {22,27,29}