n: 50 m: 280 packed: 16 density: 0 nodes: 0 solveTime: 3470 buildTime: 40 solved: true
{0,46,49}
{1,21,33}
{2,10,26}
{3,38,39}
{4,18,47}
{5,11,25}
{6,13,37}
{7,19,35}
{8,9,12}
{14,29,48}
{15,20,34}
{16,17,36}
{22,27,40}
{23,41,42}
{24,31,45}
{30,43,44}