n: 50 m: 554 packed: 16 density: 0 nodes: 0 solveTime: 24460 buildTime: 180 solved: true
{0,8,31}
{1,10,40}
{2,7,14}
{3,4,12}
{5,11,18}
{6,13,28}
{9,19,42}
{16,32,44}
{17,34,46}
{20,24,43}
{22,38,45}
{23,29,47}
{25,35,36}
{26,30,33}
{27,37,39}
{41,48,49}