The tv in my room gets different channels than other tvs in the house from same cable line, why?

I got a 4 way splitter so i could get cable in my room, but the channels are different than in the other two tvs but all three tvs are getting the cable signal from the same source, why is this im sooo confused. For example, on the other two tvs, channel 25 is nickelodean but on my tv its WE.
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