n: 40 m: 404 packed: 13 density: 0 nodes: 0 solveTime: 6530 buildTime: 90 solved: true
{0,25,38}
{1,27,35}
{2,21,33}
{3,6,8}
{4,9,12}
{5,7,13}
{10,18,22}
{11,17,19}
{14,28,34}
{15,26,36}
{16,23,24}
{20,30,37}
{29,32,39}