27 33 42 48 54 81 414 | NYC blast an attempted terrorist attack by ISIS, December 11, 2017

It's a date with a life lesson number of 33.

12/11/2017 = 12+11+(2+0+1+7) = 33

They're blaming it on ISIS.

Doesn't 1515 look like ISIS?

And again, ISIS was named perfectly for a 'false flag'.

http://www.cnn.com/2017/12/11/us/manhattan-new-york-explosion-latest/index.html

Notice the attack was on 42nd.  That's perfect for a 'pipe bomb'.

12/11/2017 = 1+2+1+1+(20+17) = 42

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Also important, this happened in 'Hell's Kitchen', connecting to the name of the 27-year-old attacker.