[bug] Inconsistent numbering sequence in the exercises section

[ecraftsman]

Page speech exercises (ready for classes) words by the Queen (1 word out of 6).

Description:

There are 6 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 block “words of the Queen”, go to the page https://brainup.site/groups/2/series/17
3. Click on the card “1 word out of 6”, go to the page https://brainup.site/groups/2/series/17/subgroup/121

Actual result:

Open exercises from 50 to 55

Expected result:

Exercises from 1 to 6 are opened

Wednesday:

mac Os Yandex Browser 23.1.0

The screen is attached