n: 40 m: 419 packed: 13 density: 0 nodes: 0 solveTime: 12520 buildTime: 100 solved: true
{0,16,33}
{1,11,19}
{2,12,34}
{3,29,31}
{4,8,35}
{5,28,38}
{6,15,18}
{9,30,36}
{10,14,26}
{13,17,22}
{20,23,37}
{21,24,39}
{25,27,32}