n: 50 m: 487 packed: 16 density: 0 nodes: 0 solveTime: 28590 buildTime: 140 solved: true
{0,19,26}
{1,18,30}
{2,14,31}
{3,5,8}
{4,13,22}
{6,20,42}
{7,34,44}
{9,32,40}
{10,38,41}
{11,24,48}
{12,25,47}
{15,33,36}
{16,28,39}
{17,45,49}
{21,37,46}
{23,27,29}