n: 50 m: 448 packed: 16 density: 0 nodes: 0 solveTime: 13790 buildTime: 120 solved: true
{0,30,49}
{1,3,45}
{2,9,17}
{4,43,47}
{5,8,12}
{6,34,42}
{7,11,19}
{10,33,35}
{13,25,48}
{14,15,41}
{16,23,40}
{18,36,44}
{20,28,39}
{21,38,46}
{22,24,26}
{29,31,37}