n: 40 m: 526 packed: 13 density: 0 nodes: 0 solveTime: 45080 buildTime: 160 solved: true
{0,8,37}
{1,10,17}
{2,12,24}
{3,20,21}
{4,11,18}
{5,7,15}
{9,14,16}
{13,23,35}
{19,26,29}
{22,32,38}
{25,33,36}
{27,28,34}
{30,31,39}