The same 4 make-up fasts may also be observed consecutively, provided the chosen days and the intention satisfy the applicable rules.
“Can be consecutive” is not the same as “must be consecutive.” The wording of the source expressly leaves both scheduling patterns open.
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Kitab al-Sawm: Illness, Travel, Make-up Fasts and Delayed Qaḍāʾ
The same 4 make-up fasts may also be observed consecutively, provided the chosen days and the intention satisfy the applicable rules.
“Can be consecutive” is not the same as “must be consecutive.” The wording of the source expressly leaves both scheduling patterns open.