Given a pattern `[1,1,0,1,1]`, and a binary list of length 100, `[0,1,1,0,0,...,0,1]`. I want to count the number of occurences of this pattern in this list. Is there a simple way to do this without the need to track the each item at every index with a variable? 

Note something like this, `[...,1, 1, 0, 1, 1, 1, 1, 0, 1, 1,...,0]` can occur but this should be counted as 2 occurrences.