If they are indeed mutils, does this game in question count as a legal game?

I lost some points and this person is still playing with both accounts, shouldnt they be blocked or deleted? Just asking. Dont know the process.

Accused:
heyski24
Avery671

The accused are suspected of:
Being Multis

Game number(s):
4990756

Comments:
They both registered on 31 May 2009.
They almost always play immediately after each other.
They rarely attack each other, if they do, its just to gain control of a full region for ...