n: 40 m: 336 packed: 13 density: 0 nodes: 0 solveTime: 7200 buildTime: 70 solved: true
{0,31,37}
{1,17,29}
{2,22,28}
{3,18,36}
{4,12,21}
{5,32,33}
{6,35,39}
{7,14,19}
{8,26,34}
{9,23,27}
{10,11,30}
{13,16,24}
{15,25,38}