n: 40 m: 584 packed: 13 density: 0 nodes: 0 solveTime: 37650 buildTime: 200 solved: true
{0,1,17}
{2,7,9}
{4,20,27}
{5,11,39}
{6,31,32}
{8,12,35}
{10,18,37}
{13,33,38}
{14,22,28}
{15,21,36}
{16,24,25}
{19,29,34}
{23,26,30}