n: 40 m: 209 packed: 13 density: 0 nodes: 0 solveTime: 2330 buildTime: 30 solved: true
{0,7,14}
{1,13,35}
{2,19,29}
{3,36,37}
{4,9,17}
{5,12,21}
{6,11,25}
{8,22,28}
{10,32,39}
{15,24,30}
{16,18,20}
{23,26,27}
{33,34,38}