n: 40 m: 159 packed: 13 density: 0 nodes: 0 solveTime: 10280 buildTime: 20 solved: true
{0,9,19}
{1,18,27}
{2,7,39}
{3,11,33}
{4,6,16}
{5,10,37}
{8,15,35}
{12,31,32}
{14,25,36}
{17,26,29}
{20,21,22}
{23,30,38}
{24,28,34}