n: 40 m: 144 packed: 13 density: 0 nodes: 0 solveTime: 970 buildTime: 10 solved: true
{0,10,31}
{1,6,38}
{2,4,9}
{3,12,25}
{5,7,23}
{8,32,39}
{11,18,24}
{13,19,22}
{14,20,30}
{15,33,34}
{16,17,21}
{26,27,37}
{28,35,36}