# 孑孓独行者的开场

这是一个入门区域。有五道小题和一道meta。

这个区域的每道题的文本都会有加粗的两个字，且它们的读音都是yihuo，这不仅暗示了该区域全部都是包含“异或”的题目，而且这一设计还在《诗篇的开端》得到了应用。从风格而言，这个区域的风格贴近于中期ccbc的部分题目。

在meta里，解题者需要利用异或的方式把每个小题答案转换为黑白矩阵，与给出的图形进行异或，得到能够扫描出答案的二维码。也正因此，这就使得**很难**（但并非不可能，例如可以利用二维码特性反解）在没有解出全部小题的前提下得到meta，一定程度上保证了入门区域也不会被很快杀穿。


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