n: 40 m: 270 packed: 13 density: 0 nodes: 0 solveTime: 1980 buildTime: 40 solved: true
{0,20,27}
{1,18,37}
{2,10,31}
{3,23,32}
{4,14,36}
{5,11,29}
{6,16,28}
{7,9,21}
{8,13,35}
{12,26,34}
{15,25,38}
{19,30,39}
{22,24,33}