n: 50 m: 328 packed: 16 density: 0 nodes: 0 solveTime: 5630 buildTime: 60 solved: true
{0,19,41}
{1,20,25}
{2,42,49}
{3,32,37}
{4,22,31}
{5,30,36}
{6,15,44}
{7,33,48}
{8,23,39}
{9,13,24}
{10,35,40}
{11,34,38}
{12,27,45}
{14,18,43}
{16,26,28}
{21,29,47}