n: 40 m: 328 packed: 13 density: 0 nodes: 0 solveTime: 6480 buildTime: 60 solved: true
{0,25,31}
{1,15,21}
{2,17,32}
{3,14,22}
{4,13,39}
{5,12,27}
{6,18,24}
{7,23,37}
{8,30,38}
{9,29,33}
{10,28,36}
{11,19,35}
{16,26,34}