n: 40 m: 422 packed: 13 density: 0 nodes: 0 solveTime: 5870 buildTime: 110 solved: true
{0,10,33}
{1,6,23}
{2,5,7}
{3,22,25}
{4,11,12}
{8,9,17}
{13,36,39}
{14,15,37}
{16,31,35}
{18,21,34}
{19,20,38}
{24,27,32}
{28,29,30}