n: 40 m: 445 packed: 13 density: 0 nodes: 0 solveTime: 9900 buildTime: 110 solved: true
{0,3,16}
{1,11,31}
{2,4,10}
{5,25,37}
{6,13,23}
{7,32,35}
{8,9,20}
{12,15,36}
{14,18,33}
{17,19,22}
{21,38,39}
{24,27,28}
{26,30,34}