The encodings described above (using bytes in 0x21–0x7E for code set 0, bytes in 0xA1–0xFE for code set 1, 0x8E followed by bytes in 0xA1–0xFE for code set 2 and 0x8F followed by bytes in 0xA1–0xFE for code set 3) are in a variable-width form referred to as the "EUC packed format".