[bug] Inconsistent numbering sequence in the exercises section

[ecraftsman]

Page speech exercises (ready for classes) group of words “4 words out of 12”

Description:

There are 30 tasks in the exercise card.

Prerequisites:

The main page is open https://brainup.site/ Log in as an existing user

Steps to playback:

1. Click on the speech exercises card (ready for classes), go to the page https://brainup.site/groups/2/series/1
2. Click on the “group of words” block, go to the page https://brainup.site/groups/2/series/3
3. Click on the card “4 words out of 12”, go to the page https://brainup.site/groups/2/series/3/subgroup/51

Actual result:

Exercises from 7 to 33 and from 29 to 33 open - 3 words out of 9

Expected result:

Open exercises from 1 to 30

Wednesday:

mac Os Yandex Browser 23.1.0

Screen attached photo and video

https://user-images.githubusercontent.com/121136478/220072640-5d05b913-0f16-4213-bb5b-79628bce9886.mov