2023
FPMI - Ruhovich - AISD 1 course of ...
    https://www.youtube.com/playlist?list=PL4_hYwCyhAvb8jmL8z6wZLO5MjWFKvD7g
2022
FPMI - Ruhovich - AISD 2 course ru of 10.. parts
    https://www.youtube.com/playlist?list=PL4_hYwCyhAvYcG_QJnYZQeGvKwJNe62gC
FPMI - Ruhovich - AISD 1 course advanced stream ru of 18 parts
    https://www.youtube.com/playlist?list=PL4_hYwCyhAvYljQ1BQj1wQayqn79LL-1k
FPMI - Ruhovich - AISD 1 course ru of 3 huge parts
    https://www.youtube.com/playlist?list=PL4_hYwCyhAvaxDxday8AUft5-vWXZJOO5
2021
FPMI - Ruhovich - AISD 1 course advanced stream ru of 15/22 parts
    https://www.youtube.com/playlist?list=PL4_hYwCyhAvYCBgUmSph0M60Kaie9L-p5
    ! need to look
MIPT - Ruhovich - Programming Introduction ru of 15 parts
    https://www.youtube.com/playlist?list=PL4_hYwCyhAvYCBgUmSph0M60Kaie9L-p5
    !!! good to start from, but missing 7, 9, 10, 17, 18, 19, 20
2020
MIPT - Ruhovich - Advanced Algorithms 1st Course of 5 parts
    https://www.youtube.com/playlist?list=PL4_hYwCyhAvYzrbNOLAy-EczKdAbWoRDK
2019    
MIPT - Ruhovich - AISD advanced stream ru of 9 parts
    https://www.youtube.com/playlist?list=PL4_hYwCyhAvazo0elFJah9q2_IzdCwJh-
    ! can to start from this
MIPT - Ruhovich - seminars ru of 8 parts
    https://www.youtube.com/playlist?list=PL4_hYwCyhAvb7igx_YeBF4BZBnq5CRtMB
    ! mostly about Fourier