n: 40 m: 174 packed: 13 density: 0 nodes: 0 solveTime: 1220 buildTime: 20 solved: true
{0,25,39}
{1,18,38}
{2,6,29}
{3,21,35}
{4,17,23}
{5,15,24}
{7,20,37}
{8,12,31}
{9,10,22}
{11,14,34}
{13,19,33}
{26,28,32}
{27,30,36}