n: 40 m: 164 packed: 13 density: 0 nodes: 0 solveTime: 520 buildTime: 10 solved: true
{0,9,27}
{1,30,35}
{2,20,32}
{3,11,15}
{4,24,38}
{5,16,17}
{7,13,22}
{8,12,28}
{10,18,29}
{14,19,31}
{21,26,33}
{23,25,34}
{36,37,39}