n: 40 m: 408 packed: 13 density: 0 nodes: 0 solveTime: 7840 buildTime: 100 solved: true
{0,4,6}
{1,21,24}
{2,7,14}
{3,22,37}
{8,11,28}
{9,15,35}
{10,23,34}
{12,13,19}
{16,20,31}
{17,29,36}
{18,30,38}
{25,33,39}
{26,27,32}