n: 50 m: 319 packed: 16 density: 0 nodes: 0 solveTime: 2000 buildTime: 60 solved: true
{0,15,16}
{1,8,44}
{2,30,49}
{3,40,48}
{4,38,39}
{5,12,14}
{6,17,27}
{7,18,33}
{9,32,45}
{10,11,25}
{20,41,46}
{21,22,29}
{23,24,35}
{26,31,37}
{28,34,43}
{36,42,47}