n: 40 m: 305 packed: 13 density: 0 nodes: 0 solveTime: 1710 buildTime: 50 solved: true
{0,20,26}
{1,9,27}
{2,13,37}
{3,11,16}
{4,29,35}
{5,21,34}
{6,23,31}
{7,15,18}
{8,12,17}
{10,30,39}
{14,19,33}
{22,24,38}
{25,32,36}