Provided by @altbot, generated privately and locally using Gemma4:26b

@wikihow A two-panel illustration shows a metal chain laid horizontally over a ruler. In the top panel, a hand and arm reach toward the right side of the chain, where a red arrow points downward at a link. In the bottom panel, a hand and arm are on the left side of the chain, with a red arrow pointing to the left. The ruler underneath the chain displays numbers from 1 to 21. The background is a solid light blue.

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