n: 40 m: 597 packed: 13 density: 0 nodes: 0 solveTime: 43320 buildTime: 200 solved: true
{0,30,38}
{1,10,37}
{2,32,35}
{3,19,22}
{4,21,31}
{5,29,36}
{6,28,39}
{7,11,12}
{8,9,15}
{13,14,24}
{16,17,25}
{18,27,34}
{20,26,33}