n: 40 m: 148 packed: 13 density: 0 nodes: 0 solveTime: 1450 buildTime: 10 solved: true
{0,9,25}
{1,21,39}
{2,32,34}
{3,19,24}
{4,7,20}
{5,23,33}
{6,10,27}
{8,12,15}
{11,14,38}
{13,30,35}
{16,17,22}
{18,29,31}
{28,36,37}