n: 40 m: 292 packed: 13 density: 0 nodes: 0 solveTime: 3490 buildTime: 50 solved: true
{0,17,31}
{1,29,35}
{2,12,39}
{3,13,23}
{4,18,20}
{5,16,21}
{6,10,14}
{7,22,34}
{8,32,37}
{11,19,26}
{15,24,27}
{25,28,33}
{30,36,38}