n: 50 m: 269 packed: 16 density: 0 nodes: 0 solveTime: 3670 buildTime: 40 solved: true
{0,21,38}
{1,18,39}
{2,25,44}
{3,24,48}
{4,28,32}
{5,15,46}
{6,16,29}
{7,9,23}
{8,22,34}
{10,33,49}
{11,13,45}
{12,41,42}
{14,26,31}
{17,27,36}
{19,37,40}
{30,43,47}