n: 50 m: 626 packed: 16 density: 0 nodes: 0 solveTime: 28080 buildTime: 220 solved: true
{0,1,30}
{2,5,9}
{3,10,31}
{4,12,19}
{6,44,45}
{7,8,13}
{11,14,35}
{15,29,38}
{16,36,43}
{17,20,23}
{18,33,34}
{24,26,49}
{25,39,46}
{27,47,48}
{28,37,42}
{32,40,41}