// 优化：如果本轮没交换，说明已经有序
The model must be autoregressive. It receives a token sequence as input and predicts the next token. Output digits are generated one at a time, with each new token fed back as input for predicting the next. The carry propagation must emerge from this autoregressive process — not from explicit state variables passed between steps in Python.，更多细节参见服务器推荐
// console.log(spanner.next(70)); // 输出2（正确），推荐阅读快连下载安装获取更多信息
国家鼓励和支持先进核反应堆的应用。
// Synchronous source from in-memory data