n: 40 m: 321 packed: 13 density: 0 nodes: 0 solveTime: 6010 buildTime: 60 solved: true
{0,5,26}
{1,14,23}
{2,13,35}
{3,10,22}
{4,34,36}
{6,20,27}
{7,38,39}
{8,21,28}
{9,18,33}
{11,19,32}
{12,16,17}
{15,29,30}
{24,31,37}