n: 40 m: 404 packed: 13 density: 0 nodes: 0 solveTime: 5810 buildTime: 100 solved: true
{0,18,26}
{1,23,28}
{2,15,24}
{3,4,12}
{5,8,11}
{6,7,9}
{10,14,32}
{13,36,38}
{16,17,34}
{19,21,30}
{20,22,25}
{27,29,37}
{33,35,39}