Because "[401-402]" can refer to several different things, here are a few reviews tailored to the most likely meanings:
This specific vacation rental is highly rated for its mountain views and convenient "lockoff" setup, which connects two separate units. [401-402]
These episodes kicked off Season 4 and are often reviewed together for their world-building and rising tensions. Because "[401-402]" can refer to several different things,
In academic contexts, these often refer to intermediate economics or Risk Management (ARM) designations. [401-402]