n: 40 m: 159 packed: 13 density: 0 nodes: 0 solveTime: 290 buildTime: 10 solved: true
{0,18,28}
{1,15,39}
{2,17,35}
{3,22,37}
{4,6,16}
{5,13,33}
{7,21,29}
{8,20,34}
{10,19,23}
{11,24,31}
{12,14,26}
{25,27,30}
{32,36,38}