n: 40 m: 225 packed: 13 density: 0 nodes: 0 solveTime: 920 buildTime: 30 solved: true
{0,5,38}
{1,15,30}
{2,7,28}
{3,6,10}
{4,31,33}
{8,17,39}
{9,21,22}
{11,14,16}
{12,34,35}
{13,18,19}
{20,25,27}
{24,29,36}
{26,32,37}