n: 50 m: 328 packed: 16 density: 0 nodes: 0 solveTime: 2340 buildTime: 60 solved: true
{0,8,18}
{1,21,28}
{2,32,33}
{3,14,30}
{4,16,35}
{5,6,48}
{9,40,41}
{10,44,47}
{11,26,43}
{12,29,37}
{13,27,49}
{15,22,36}
{17,23,31}
{19,45,46}
{20,38,39}
{24,25,42}