f0,a0,80,a0,f0,a4,88,82,f0,b1,86,85,f0,a3,91,a0, UTF8 on, non-ASCII, 4 characters 16 bytes f0,a0,80,a0,f0,a4,88,82,f0,b1,86,85,f0,a3,91,a0, UTF8 off, non-ASCII, 16 characters 16 bytes UTF8 on, non-ASCII, 4 characters 16 bytes $VAR1 = \"\x{20020}\x{24202}\x{31185}\x{23460}";