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Input: delhi tokyo milan paris 63 28 Step 1: tokyo milan paris 63 28 delhi Step 2: tokyo paris 63 28 delhi milan Step 3: tokyo 63 28 delhi milan paris How many steps are required to complete the rearrangement?

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1. Input: delhi tokyo milan paris 63 28
Step 1: tokyo milan paris 63 28 delhi
Step 2: tokyo paris 63 28 delhi milan
Step 3: tokyo 63 28 delhi milan paris
How many steps are required to complete the rearrangement?

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Input: delhi tokyo milan paris 63 28 Step 1: tokyo milan paris 63 28 delhi Step 2: tokyo paris 63 28 delhi milan Step 3: tokyo 63 28 delhi milan paris How many steps are required to complete the rearrangement?

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