Bitstring to characters

What character(s) does a bitstring is encoded in each character set?

Encoding	Bitstring	Character(s)
ISO-8859-1	3f3f403fa1d13f3f3f	??@?¡Ñ???
SJIS-WIN	3f3f403fa1d13f3f3f	??@?｡ﾑ???
EUC-JP	3f3f403fa1d13f3f3f	??@?｝???
UTF-8	3f3f403fa1d13f3f3f	??@??????
UHC	3f3f403fa1d13f3f3f	??@?⊥???