n: 40 m: 311 packed: 13 density: 0 nodes: 0 solveTime: 1450 buildTime: 50 solved: true
{0,4,13}
{1,2,26}
{3,32,33}
{6,7,9}
{8,18,27}
{10,20,23}
{11,15,38}
{12,14,31}
{16,17,35}
{19,21,36}
{22,24,34}
{25,29,39}
{28,30,37}