n: 50 m: 440 packed: 16 density: 0 nodes: 0 solveTime: 18180 buildTime: 90 solved: true
{0,37,39}
{1,12,41}
{2,18,47}
{3,4,13}
{5,33,38}
{6,15,19}
{7,10,31}
{8,22,44}
{9,11,23}
{14,21,29}
{16,26,48}
{17,40,46}
{20,27,49}
{25,28,34}
{30,32,36}
{42,43,45}