Fermat 2023 Part B - Question 18, CEMC UWaterloo

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Difficulty: 5

This problem is tagged with fermat, fermat23, highschool.

(Fermat 2023, Part B, Question 18, CEMC - UWaterloo)

A robotic grasshopper jumps $1$ cm to the east, then $2$ cm to the north, then $3$ cm to the west, then $4$ cm to the south. After every fourth jump, the grasshopper restarts the sequence of jumps: $1$ cm to the east, then $2$ cm to the north, then $3$ cm to the west, then $4$ cm to the south. After a total of $n$ jumps, the position of the grasshopper is $162$ cm to the west and $158$ cm to the south of its original position. The sum of the squares of the digits of $n$ is
$(A)$ $22$
$(B)$ $29$
$(C)$ $17$
$(D)$ $14$
$(E)$ $13$

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