n: 50 m: 487 packed: 16 density: 0 nodes: 0 solveTime: 15860 buildTime: 140 solved: true
{0,18,23}
{1,21,45}
{2,26,43}
{3,37,44}
{4,17,27}
{5,6,47}
{7,14,29}
{8,35,48}
{9,22,31}
{10,16,49}
{11,28,40}
{12,34,46}
{13,20,25}
{15,19,30}
{24,33,38}
{36,41,42}