"Sets" of freestanding haiku connected by a theme, and "series" of haiku that are interlinked and not able to stand on their own, e.g. Robert Crawford's four haiku on the previous page, often have a special appeal for readers/writers who are used to poetry that is more discursive that the singleton haiku.
A rather novel interaction is provided by printing several haiku in a circular lay-out pattern and then placing them together, like interlocking cogs.
The circular haiku (cirku) offers the reader a choice of different first words. In addition, the following arrangement of three cirku invites the reader to extract elements of each that might combine into a new (in this case, surreal) haiku, e.g.