A statement of beneficial ownership of common stock by certain persons

Registration of securities of foreign private issuers pursuant to section 12(b) or (g)

Report of foreign issuer rules 13a-16 and 15d-16 of the Securities Exchange Act

Report of foreign issuer rules 13a-16 and 15d-16 of the Securities Exchange Act

A statement of beneficial ownership of common stock by certain persons

Registration of securities of foreign private issuers pursuant to section 12(b) or (g)

Report of foreign issuer rules 13a-16 and 15d-16 of the Securities Exchange Act

Report of foreign issuer rules 13a-16 and 15d-16 of the Securities Exchange Act

Form of prospectus disclosing information facts events covered in both forms 424B1 424B3

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