n: 40 m: 486 packed: 13 density: 0 nodes: 0 solveTime: 7650 buildTime: 110 solved: true
{0,5,9}
{1,4,15}
{2,11,34}
{3,6,13}
{8,23,28}
{10,16,32}
{12,18,30}
{14,31,36}
{17,21,35}
{19,27,33}
{20,29,38}
{22,26,39}
{24,25,37}