如图：在网络上看搜到一个大佬写俄罗斯方块的程序，看到这句语言有点转不过弯来了。其中D区数据是随机产生的一种图，不明白是D0到D7 与      D8.6,D8.7,D8.8.D8.9  D9.6,D9.7,D9.8.D9.9    D10.6,D10.7,D10.8.D10.9    D11.6,D11.7,D11.8.D11.9是对应上 的，D区是我自己为了仿真看效果定义的。烦请大佬们帮忙分析一下。谢过了。

                                                                                                                                                                                                                                          

                                                                                                                                                                                                                                           

明白了！谢谢！