n: 40 m: 323 packed: 13 density: 0 nodes: 0 solveTime: 3240 buildTime: 70 solved: true
{0,5,8}
{1,18,38}
{2,9,11}
{3,10,37}
{4,27,36}
{6,14,17}
{7,21,28}
{12,19,35}
{13,22,30}
{15,23,31}
{16,20,39}
{24,25,29}
{26,32,34}