n: 50 m: 321 packed: 16 density: 0 nodes: 0 solveTime: 3040 buildTime: 60 solved: true
{0,30,38}
{1,9,15}
{2,35,48}
{3,22,28}
{4,10,46}
{5,8,18}
{6,40,43}
{7,13,31}
{11,14,23}
{12,26,27}
{16,36,37}
{17,33,41}
{19,24,29}
{20,21,47}
{25,42,44}
{32,34,49}