GTX 770 Lightning LE - BIOS versions

Hi,

I have two questions:
1. If 201 is standard BIOS and 211 is LN2 bios, then what kind of BIOS is 221? Because it sits in my card : P
2. How come MSI Afterburner doesn't recognize LN2 BIOS? I switched to LN2 and it changed...well, nothing. No extende...