n: 40 m: 334 packed: 13 density: 0 nodes: 0 solveTime: 4450 buildTime: 70 solved: true
{0,6,17}
{1,3,8}
{2,15,19}
{4,13,28}
{5,18,26}
{9,29,35}
{10,20,31}
{11,21,37}
{12,22,27}
{14,30,39}
{16,32,33}
{23,24,34}
{25,36,38}