Received in 2008, please respond 2

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"Finally, the dreaded double-period math class is over!" Lin Wanning slouched over her desk, looking as if her brain had short-circuited.

Xu Qingfan reached out and flicked her antenna-like tuft of hair, which wobbled on top of her head. "Get up and let's go, today is Friday and the cafeteria is serving fried pork cutlets!"

"Pork cutlets, pork cutlets, fried pork cutlets!" Lin Wanning's eyes lit up, and she didn't even bother to organize the stationery and books on her desk, slinging her backpack on as she prepared to leave.

The five-person squad walked side by side down the hallway, just as they had in first grade.

The only change in formation was that they used to stand in a "convex" shape with Xu Qingfan in the middle, but now the five of them walked in order of height, like the bars of cell phone signal strength.