Time = t

x

1

21 × 21

0.0304

0.0211

0.0069

0.0344

0.0209

0.0063

51 × 51

0.0110

0.0073

0.0037

0.0210

0.0079

0.0033

101 × 101

0.0099

0.0051

0.00099

0.0100

0.0062

0.000891