Help identify cockpit, please..

I got this pic of this cockpit, apparently of Russian origin which I cannot recognize. I have compared the layout to all possible aircraft starting with Su-17 and MiG-21 of all versions, thru the whole MiG and Sukhoi line but nothing found.

Features:

1. Early type HUD and three piece windshield. Thus, Fulcrum and Flanker line is excluded.

2. Definitely too wide for any type of Fishbed, Su-24M Fencer is excluded automatically, as well.

3. Looks like thius particular aircraft is either grey or metal, no signs of camouflage there.

4. The name of the picture says *mig.jpg*, but this could also mean nothing. It is pretty common for the aviation non-fanatics to name all Russian aircraft simply MiG.

What could it be?

Flex