n: 40 m: 353 packed: 13 density: 0 nodes: 0 solveTime: 4170 buildTime: 80 solved: true
{0,15,34}
{1,32,33}
{2,20,39}
{3,6,17}
{4,22,28}
{5,7,13}
{9,14,19}
{10,23,36}
{11,12,21}
{16,24,31}
{18,35,38}
{25,26,30}
{27,29,37}