n: 40 m: 280 packed: 13 density: 0 nodes: 0 solveTime: 2050 buildTime: 50 solved: true
{0,17,33}
{1,13,22}
{2,31,37}
{3,24,34}
{4,15,39}
{5,6,9}
{7,8,28}
{10,14,18}
{11,19,36}
{12,32,38}
{16,20,27}
{21,26,30}
{23,29,35}