The answer to this
puzzle is shown in the
on the sixteen bottles all add up to 30 in the ten straight
The trick consists in the fact that, although the six bottles (3, 5, 6,
9, 10, and 15) in which the flowers have been placed are not removed,
the sixteen need not occupy exactly the same position on the table as
The square is, in fact, formed one step further to the left.