流水灯的程序：先奇数灯亮后偶数灯亮，然后单个依次点亮，之后从两边往中间点亮，吃后又从中间往两边点亮。-Light water programs: the first after the lights even odd lights, and then followed by a single light, and then lit from both sides to the middle, then eat light in the middle to both sides.