n: 40 m: 352 packed: 13 density: 0 nodes: 0 solveTime: 5000 buildTime: 70 solved: true
{0,18,32}
{1,10,27}
{2,36,39}
{3,6,16}
{4,7,14}
{5,17,35}
{8,19,25}
{9,11,33}
{12,13,21}
{15,24,37}
{20,22,38}
{23,29,31}
{26,30,34}