n: 40 m: 587 packed: 13 density: 0 nodes: 0 solveTime: 25390 buildTime: 200 solved: true
{0,8,38}
{1,3,7}
{2,6,11}
{4,13,19}
{9,25,32}
{10,33,39}
{12,14,26}
{15,34,35}
{16,18,28}
{17,21,27}
{20,22,36}
{23,24,37}
{29,30,31}