n: 40 m: 225 packed: 13 density: 0 nodes: 0 solveTime: 1710 buildTime: 30 solved: true
{0,8,32}
{1,18,29}
{2,27,39}
{3,19,21}
{4,14,15}
{5,6,22}
{9,16,31}
{10,11,12}
{13,28,37}
{17,23,26}
{20,34,38}
{24,25,30}
{33,35,36}