I'm trying to solve this problem

I have read the grid walking section on combinatorics even though I cannot even get the result for the examples cases.

Can you help me?

I'm trying to solve this problem

I have read the grid walking section on combinatorics even though I cannot even get the result for the examples cases.

Can you help me?

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## Comments

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TopNewestIt's easier tou count one-by-one the paths that satisfy the conditions. There are just 27. – Mateo Matijasevick · 12 months ago

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