n: 40 m: 330 packed: 13 density: 0 nodes: 0 solveTime: 8620 buildTime: 70 solved: true
{0,15,30}
{1,8,17}
{2,12,16}
{3,5,33}
{4,25,38}
{6,28,32}
{7,9,36}
{10,27,39}
{13,18,24}
{14,21,22}
{19,20,34}
{23,35,37}
{26,29,31}