n: 40 m: 159 packed: 13 density: 0 nodes: 0 solveTime: 500 buildTime: 20 solved: true
{0,21,24}
{1,8,38}
{2,17,28}
{3,15,22}
{4,31,39}
{5,19,35}
{6,11,12}
{7,16,23}
{9,10,27}
{13,14,33}
{18,20,36}
{25,30,32}
{26,34,37}