n: 50 m: 426 packed: 16 density: 0 nodes: 0 solveTime: 4860 buildTime: 100 solved: true
{0,20,23}
{1,13,46}
{2,3,12}
{4,8,9}
{5,33,40}
{6,10,42}
{7,17,47}
{11,18,35}
{14,27,39}
{15,25,29}
{16,30,34}
{19,31,49}
{21,26,48}
{22,24,28}
{32,36,45}
{41,43,44}