n: 40 m: 598 packed: 13 density: 0 nodes: 0 solveTime: 34900 buildTime: 200 solved: true
{0,33,39}
{1,11,28}
{2,4,15}
{3,35,36}
{5,12,30}
{6,7,9}
{8,19,37}
{10,20,34}
{13,14,21}
{16,17,32}
{18,22,25}
{23,26,27}
{24,31,38}