It's somewherebetween, sometimescalled a sub-word.
サブワードと呼ばれることもある。
Soifweaskthequestionto a model, a questionthatinvolvesunderstandingthenotionofcharactersandwords, themodelcanreallyjustmakemistakesbecauseit's notreallybuiltforthat.
Andthisexampleshowsthatevenforseeminglyunrelatedcountingproblem, having a reasoningbuiltincanhelpavoidingthemistakesbecauseitcanmaybelookatitsownoutputandreviewitandmorejustbemorecarefulandsoon.