// 4. 将当前索引压入栈，维护单调递减特性（供后续价格计算跨度使用）
Жители Санкт-Петербурга устроили «крысогон»17:52
。safew官方版本下载对此有专业解读
Number (3): Everything in this space must add up to 3. The answer is 2-2, placed vertically; 1-0, placed vertically.
In total, a 3601 could interface up to five peripheral loops with the host