SQ212 and SQ222 are both using 777-300ER at the moment, while the SQ222 is the Next generation(Newest) products.
And yes SQ242 has the oldest First class.
773 (777-300) and 77W (777-300ER) have identical F product except 773 is older metal refitted with o/h bins in a slightly bigger cabin whereas 77W does not.
777-300ER can be either 77W or 77WN - 77WN has new F whereas 77W how old F - new F a substantial step up from old F - I have given up trying to ascertain which is which on upcoming flts - no guarantees any day on any route.
TBH I prefer the 773 over 77W solely for the bins - but 77WN with newest F does trump both.
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