n: 40 m: 388 packed: 13 density: 0 nodes: 0 solveTime: 9650 buildTime: 90 solved: true
{0,5,31}
{1,30,39}
{2,6,38}
{3,4,14}
{7,11,13}
{8,12,26}
{9,34,36}
{10,24,25}
{15,20,27}
{16,22,33}
{17,18,32}
{19,21,37}
{23,29,35}