CHN3, CHN1

Puzzle	Incorrect guesses	Unlock time (AEST)	Time to solve	Solve time (AEST)
Decomposition	2	Jul 16, 13:00	19h52m	Jul 17, 08:52
Circular Reasoning	0	Jul 16, 13:00	20h5m	Jul 17, 09:05
Sudok-IMO: A Unique Performance	0	Jul 16, 13:00	20h14m	Jul 17, 09:14
Tri-Alphametic	1	Jul 16, 13:00	20h28m	Jul 17, 09:28
Venn-ary Encoding	0	Jul 16, 13:00	20h43m	Jul 17, 09:43
Koala Kings	0	Jul 16, 13:00	27h2m	Jul 17, 16:02
My Windmill Has A Pencil	0	Jul 16, 13:00	27h22m	Jul 17, 16:22