n: 40 m: 648 packed: 13 density: 0 nodes: 0 solveTime: 51210 buildTime: 240 solved: true
{0,20,28}
{1,16,17}
{2,9,29}
{3,6,12}
{4,7,10}
{8,13,15}
{11,18,32}
{14,35,36}
{19,26,33}
{21,23,37}
{22,25,30}
{24,31,34}
{27,38,39}