n: 50 m: 441 packed: 16 density: 0 nodes: 0 solveTime: 24270 buildTime: 120 solved: true
{0,19,39}
{1,3,18}
{2,43,47}
{4,7,12}
{5,11,22}
{6,14,30}
{8,29,33}
{9,17,40}
{10,26,31}
{15,21,48}
{16,32,44}
{20,35,46}
{23,36,37}
{24,25,27}
{28,34,42}
{41,45,49}