You can do that, but you will be charged extra, as the system has no fare defined for such a cumbersome route. You can call the Oyster helpline after the journey to get the charge reimbursed.
Not on a paper travelcard they won't!
There is no need to call BB21 bald!
Oh and the reason is because it would be a stupid thing to do as it would be illegal and anyone taking your 'advice' could end up with a fine and a criminal record if caught! :roll:
bald
bɔːld
adjective
1.
having a scalp wholly or partly lacking hair.
"he was starting to go bald"
synonyms: hairless, bald-headed, smooth; More
antonyms: hairy
(of an animal) not covered by the usual fur, hair, or feathers.
"hedgehogs are born bald"
(of a plant or an area of land) not covered by the usual leaves, bark, or vegetation.
"the bald trunks with their empty branches"
synonyms: leafless, bare, uncovered, stark More
antonyms: lush
(of a tyre) having the tread worn away.
"the Nissan had two bald tyres"
2.
without any extra detail or explanation; plain or blunt.
"the bald statement in the preceding paragraph requires amplification"
synonyms: plain, simple, unadorned, unvarnished, unembellished, undisguised, unveiled, stark, severe, austere, brutal, harsh;