n: 40 m: 338 packed: 13 density: 0 nodes: 0 solveTime: 4520 buildTime: 70 solved: true
{0,12,32}
{1,4,9}
{2,14,27}
{3,22,38}
{5,17,39}
{6,23,37}
{7,21,35}
{8,19,34}
{10,26,30}
{11,15,33}
{13,16,31}
{18,20,28}
{24,25,36}