n: 50 m: 619 packed: 16 density: 0 nodes: 0 solveTime: 56330 buildTime: 220 solved: true
{0,9,19}
{1,18,40}
{2,16,21}
{3,17,35}
{4,12,48}
{5,10,28}
{6,24,47}
{7,13,30}
{11,14,23}
{15,22,42}
{20,37,44}
{26,29,31}
{27,38,39}
{32,43,46}
{33,34,41}
{36,45,49}