n: 40 m: 488 packed: 13 density: 0 nodes: 0 solveTime: 26210 buildTime: 140 solved: true {0,2,14} {1,8,22} {3,20,25} {4,17,31} {5,19,21} {6,29,34} {7,30,37} {9,15,23} {10,16,36} {11,26,28} {12,27,33} {13,18,35} {24,38,39}