n: 50 m: 556 packed: 16 density: 0 nodes: 0 solveTime: 100890 buildTime: 180 solved: true
{0,18,30}
{1,7,45}
{2,8,17}
{3,25,37}
{4,6,16}
{5,15,31}
{9,13,26}
{11,29,34}
{12,14,23}
{20,35,49}
{21,28,38}
{22,24,27}
{32,40,44}
{33,42,43}
{36,47,48}
{39,41,46}