n: 50 m: 399 packed: 16 density: 0 nodes: 0 solveTime: 13880 buildTime: 90 solved: true
{0,22,39}
{1,12,31}
{2,3,21}
{4,28,38}
{5,25,43}
{6,7,14}
{8,15,40}
{10,26,27}
{11,30,34}
{13,36,37}
{16,24,41}
{17,18,49}
{19,29,32}
{20,33,44}
{23,42,46}
{35,47,48}