n: 50 m: 275 packed: 16 density: 0 nodes: 0 solveTime: 2890 buildTime: 50 solved: true
{0,12,19}
{1,22,32}
{2,4,11}
{3,21,39}
{5,41,43}
{6,15,45}
{7,28,30}
{8,16,47}
{9,46,48}
{10,13,40}
{17,26,38}
{18,31,33}
{20,25,44}
{23,35,36}
{24,27,49}
{29,34,37}