n: 40 m: 299 packed: 13 density: 0 nodes: 0 solveTime: 4300 buildTime: 50 solved: true
{0,22,31}
{1,11,20}
{2,15,24}
{3,12,38}
{4,14,36}
{5,26,39}
{6,13,18}
{7,9,19}
{8,10,21}
{16,34,35}
{17,23,27}
{25,30,37}
{28,32,33}