Don't get caught?!? It's legal. You tell the truth. They ask if you worked in Mass, you say no. They ask if you live in Mass, you say no. They ask if you worked in more than one state, you say yes. (Of course, that has to be a true statement). Then you tell them who you worked for, when you worked for them, and where you worked. Give them your SSN, then go back home and wait for your checks.
If you don't believe us, or the Mass web site, then call them. You are getting $10,764 in AR when you should be getting $18,000 in MASS, you loose $7,236. That's 67% more that you could be getting.
Good luck with that. To me the math is easy, I'll pay the $300 for an airplane ride.