n: 40 m: 241 packed: 13 density: 0 nodes: 0 solveTime: 1740 buildTime: 30 solved: true
{0,9,29}
{1,18,30}
{2,28,37}
{3,13,20}
{4,10,22}
{5,23,39}
{6,19,31}
{7,32,36}
{8,14,27}
{11,16,35}
{12,17,25}
{15,21,38}
{26,33,34}