n: 40 m: 197 packed: 13 density: 0 nodes: 0 solveTime: 1410 buildTime: 20 solved: true
{0,9,38}
{1,18,29}
{2,5,16}
{3,23,35}
{4,10,17}
{6,21,24}
{7,19,36}
{8,13,39}
{11,15,26}
{14,32,33}
{20,25,31}
{22,27,37}
{28,30,34}