A machine rearranges a line of words by moving the leftmost word to the right end at each step. Example - Input: 'red blue green'; Step 1: 'blue green red'; Step 2: 'green red blue'. For the input 'north south east west', what is Step 3?

Question

Accepted Answer

west north south east. Step 1: south east west north. Step 2: east west north south. Step 3: west north south east.

A machine rearranges a line of words by moving the leftmost word to the right end at each step. Example - Input: 'red blue green'; Step 1: 'blue green red'; Step 2: 'green red blue'. For the input 'north south east west', what is Step 3?

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