n: 40 m: 586 packed: 13 density: 0 nodes: 0 solveTime: 30650 buildTime: 210 solved: true
{0,16,39}
{1,14,37}
{2,33,36}
{3,9,26}
{4,6,10}
{5,12,17}
{7,28,31}
{8,15,29}
{11,24,34}
{13,27,38}
{18,32,35}
{19,21,22}
{23,25,30}