n: 40 m: 214 packed: 13 density: 0 nodes: 0 solveTime: 324380 buildTime: 30 solved: true
{0,20,39}
{1,4,16}
{2,9,14}
{3,26,36}
{6,19,33}
{7,12,27}
{8,17,18}
{10,15,37}
{11,29,34}
{13,25,30}
{21,23,31}
{22,28,32}
{24,35,38}