n: 40 m: 373 packed: 13 density: 0 nodes: 0 solveTime: 3870 buildTime: 80 solved: true
{0,18,22}
{1,20,27}
{2,4,36}
{3,6,23}
{5,19,32}
{7,15,30}
{8,29,35}
{9,33,38}
{10,14,25}
{11,16,28}
{12,34,37}
{17,26,39}
{21,24,31}