ANSWER:

The majority of scholars say that this is not permissible and some say that it is makrooh and others say that the prayer is invalid. 

It has to be 2×2 and not 4

QUESTION: Shaykh, is it okay to pray taraweeh with 4+4+3 rakaah?

Taraweeh, Tahajjud and Qiyam-ul-Layl |