Assertion: byte's character | /r/CapableOf | contribute its first 2 bits
Facets:
Source sentences:
text: A single remaining encoded character is not possible (because a single Base64 character only contains 6 bits, and 8 bits are required to create a byte, so a minimum of 2 Base64 characters are required: The first character contributes 6 bits, and the second character contributes its first 2 bits.)