n: 40 m: 602 packed: 13 density: 0 nodes: 0 solveTime: 46670 buildTime: 200 solved: true {0,11,22} {1,4,8} {2,25,33} {3,27,36} {5,14,31} {6,7,38} {9,13,24} {10,18,32} {15,19,37} {16,17,21} {20,26,34} {23,35,39} {28,29,30}