n: 50 m: 412 packed: 16 density: 0 nodes: 0 solveTime: 8710 buildTime: 90 solved: true
{0,5,19}
{1,11,31}
{2,17,23}
{3,13,21}
{4,8,12}
{6,18,34}
{7,33,40}
{10,14,38}
{15,24,42}
{16,28,39}
{20,27,35}
{22,36,45}
{25,29,30}
{26,32,43}
{37,46,48}
{41,47,49}