Why is my solution not working..I calculated the common diff and checked for which elements the AP is not followed. Someone plz help

Revision en1, by dd_07, 2021-12-30 16:06:36

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en2 English dd_07 2021-12-30 16:08:43 53
en1 English dd_07 2021-12-30 16:06:36 203 Initial revision (published)