Regarding the description of the design principles of Locator SID, which is incorrect?

Regarding the description of the design principles of Locator SID, which is incorrect?
A . When planning the SRv6 Locator address segment, set an appropriate mask based on the number of IPv6 SIDs that the device may use.
B . loatos svW6_locator ipu6-prelix21.DBBABCD:.b4 static 32, Locator is 2001.DB8.ABCD:, length 64 bits, static segment occupies 32 bits, dynamic segment occupies 32 bits and args field occupies O bits. Status segment starting value: 2001:DB8:ABCD:0000:0000:0000:0000:0001
C . Locator SID supports static configuration or dynamic allocation. end-op and end-m must be configured statically. Static configuration of end and end.x is also recommended to facilitate network operation and maintenance. Other SIDs can be assigned dynamically.
D . Devices at the same site belong to the same large network segment with the same prefix, and different devices are allocated small network segments with the same prefix in the large network segment.

Answer: B