n: 50 m: 236 packed: 16 density: 0 nodes: 0 solveTime: 22170 buildTime: 30 solved: true
{0,20,29}
{1,18,27}
{2,7,21}
{3,19,31}
{4,16,49}
{5,32,40}
{6,11,26}
{8,9,24}
{10,13,45}
{12,38,46}
{14,30,43}
{15,28,48}
{17,23,35}
{22,42,44}
{25,34,36}
{37,41,47}