TWN4, TWN6

Puzzle	Incorrect guesses	Unlock time (AEST)	Time to solve	Solve time (AEST)
Decomposition	1	Jul 16, 13:00	4h27m	Jul 16, 17:27
Sudok-IMO: A Unique Performance	0	Jul 16, 13:00	4h57m	Jul 16, 17:57
Tri-Alphametic	0	Jul 16, 13:00	5h14m	Jul 16, 18:14
My Windmill Has A Pencil	2	Jul 16, 13:00	5h25m	Jul 16, 18:25
Circular Reasoning	0	Jul 16, 13:00	5h28m	Jul 16, 18:28
Venn-ary Encoding	2	Jul 16, 13:00	6h8m	Jul 16, 19:08
Koala Kings	1	Jul 16, 13:00	11h6m	Jul 17, 00:06