n: 40 m: 177 packed: 13 density: 0 nodes: 0 solveTime: 1210 buildTime: 20 solved: true
{0,13,25}
{1,24,36}
{2,21,27}
{3,10,14}
{4,19,31}
{5,12,28}
{6,32,37}
{7,9,15}
{8,20,26}
{11,22,35}
{16,23,30}
{17,18,33}
{34,38,39}