n: 40 m: 375 packed: 13 density: 0 nodes: 0 solveTime: 8280 buildTime: 90 solved: true
{0,23,24}
{1,20,36}
{2,34,39}
{3,16,22}
{4,18,31}
{5,10,27}
{6,25,28}
{7,12,38}
{8,32,33}
{9,29,37}
{11,14,17}
{13,26,35}
{15,21,30}