n: 40 m: 169 packed: 13 density: 0 nodes: 0 solveTime: 400 buildTime: 20 solved: true
{0,10,13}
{1,9,22}
{2,12,31}
{3,21,27}
{4,24,38}
{5,25,26}
{6,17,18}
{7,11,15}
{8,29,36}
{14,34,35}
{16,20,39}
{19,33,37}
{23,30,32}