n: 30 m: 192 packed: 10 density: 0 nodes: 0 solveTime: 530 buildTime: 20 solved: true {0,3,18} {1,26,27} {2,5,25} {4,6,10} {7,13,23} {8,21,24} {9,11,14} {12,19,22} {15,20,28} {16,17,29}