AdvancedNumeric answer
Walking a grid · Part 3 of 3
You walk on a grid from (0, 0) to (4, 3), taking unit steps either right or up.
The point (2, 2) is blocked. How many shortest paths avoid it?
Answer with a number. Fractions, powers and expressions like 23/6 or C(52,5) are read correctly in practice.
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