n: 40 m: 106 packed: 13 density: 0 nodes: 0 solveTime: 350 buildTime: 10 solved: true {0,21,35} {1,26,29} {2,31,33} {3,7,17} {4,12,13} {5,8,15} {6,19,36} {9,10,34} {11,14,23} {18,22,27} {20,25,32} {24,28,30} {37,38,39}