n: 40 m: 221 packed: 13 density: 0 nodes: 0 solveTime: 1930 buildTime: 30 solved: true
{0,8,33}
{1,26,31}
{2,11,30}
{3,17,22}
{4,18,39}
{5,16,23}
{6,12,28}
{7,10,13}
{9,15,37}
{14,20,34}
{21,25,27}
{24,35,36}
{29,32,38}