n: 40 m: 395 packed: 13 density: 0 nodes: 0 solveTime: 10990 buildTime: 90 solved: true
{0,21,37}
{1,12,26}
{2,10,17}
{3,8,25}
{4,33,39}
{5,24,31}
{6,7,38}
{9,15,34}
{11,30,36}
{13,19,23}
{14,18,22}
{16,28,35}
{20,29,32}