n: 40 m: 171 packed: 13 density: 0 nodes: 0 solveTime: 19890 buildTime: 10 solved: true
{0,6,37}
{1,17,39}
{2,19,21}
{3,14,18}
{4,24,30}
{5,9,23}
{7,10,16}
{8,15,22}
{11,20,35}
{12,29,38}
{13,27,31}
{26,28,33}
{32,34,36}