n: 40 m: 248 packed: 13 density: 0 nodes: 0 solveTime: 1020 buildTime: 40 solved: true
{0,5,7}
{1,10,31}
{2,6,20}
{3,9,22}
{4,21,39}
{8,36,37}
{11,15,33}
{12,18,27}
{13,17,19}
{14,23,34}
{16,32,38}
{24,26,35}
{25,28,29}