n: 40 m: 532 packed: 13 density: 0 nodes: 0 solveTime: 8000 buildTime: 170 solved: true
{0,22,38}
{1,7,8}
{2,3,13}
{4,14,29}
{5,6,9}
{10,20,25}
{11,12,34}
{15,17,33}
{16,24,28}
{18,32,36}
{21,27,31}
{23,37,39}
{26,30,35}