n: 40 m: 500 packed: 13 density: 0 nodes: 0 solveTime: 27830 buildTime: 150 solved: true
{0,11,24}
{1,3,20}
{2,14,28}
{4,5,7}
{6,15,33}
{8,10,27}
{12,35,38}
{13,21,34}
{16,18,23}
{17,29,32}
{19,22,39}
{25,26,31}
{30,36,37}