n: 40 m: 251 packed: 13 density: 0 nodes: 0 solveTime: 1630 buildTime: 40 solved: true
{0,30,32}
{1,18,28}
{2,14,31}
{3,5,11}
{4,34,39}
{6,19,21}
{7,20,26}
{8,29,38}
{9,23,27}
{10,16,36}
{12,22,37}
{15,17,33}
{24,25,35}