n: 50 m: 496 packed: 16 density: 0 nodes: 0 solveTime: 26840 buildTime: 140 solved: true
{0,12,18}
{1,16,23}
{2,29,44}
{3,34,35}
{4,17,37}
{5,9,43}
{6,14,49}
{7,22,45}
{8,11,21}
{10,28,38}
{13,15,24}
{19,46,47}
{20,25,31}
{26,27,48}
{30,33,39}
{32,40,42}