n: 30 m: 349 packed: 10 density: 0 nodes: 0 solveTime: 5150 buildTime: 70 solved: true {0,13,20} {1,2,14} {3,27,29} {4,8,25} {5,19,22} {6,10,24} {7,11,23} {9,15,18} {12,21,28} {16,17,26}