Participant Grigory Kostykov

Signature graphic: http://uotd.org/signature.py?cpid=9cd0af650dc63f9d88d48161c904667a
Small signature: http://uotd.org/signature_sm.py?cpid=9cd0af650dc63f9d88d48161c904667a

Collatz Conjecture
Sun 16 Jul 2017 04:05:50 AM CEST		 No picture Name: Grigory Kostykov
Country: Russia
Team: DC Russian Union