There are only 10 types of people.
Those who understand binary and those who do not!
hat tip here and see for a discussion.
It's brought down in chassidishe seform that mishnichnas adar means "from the time Adar ENTERED, even the situation of two Adars, like this year, and even that we have to "increse joy" from the Shabas mevorchim hachodesh of first Adar.
So I start, belatedly now.
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