n: 40 m: 659 packed: 13 density: 0 nodes: 0 solveTime: 198560 buildTime: 250 solved: true
{0,8,13}
{1,22,24}
{2,6,11}
{3,5,15}
{4,7,17}
{10,23,27}
{12,35,38}
{14,26,32}
{16,30,37}
{18,21,34}
{19,25,31}
{20,36,39}
{28,29,33}