n: 50 m: 402 packed: 16 density: 0 nodes: 0 solveTime: 4790 buildTime: 90 solved: true
{0,23,26}
{1,12,21}
{2,47,48}
{3,5,18}
{4,29,30}
{6,14,36}
{7,31,39}
{8,41,44}
{9,17,22}
{10,11,13}
{15,19,25}
{16,42,46}
{20,32,33}
{24,28,40}
{27,34,37}
{38,43,45}