SESTINA
A fixed form consisting of six 6-line (usually unrhymed) stanzas in
which the end words of the first stanza recur as end words of the
following five stanzas in a successively rotating order and as the
middle and end words of each of the lines of a concluding envoi in
the form of a tercet. The usual ending word order for a sestina is
as follows:
First stanza, 1- 2 - 3 - 4 - 5 - 6
Second stanza, 6 - 1 - 5 - 2 - 4 - 3
Third stanza, 3 - 6 - 4 - 1 - 2 - 5
Fourth stanza, 5 - 3 - 2 - 6 - 1 - 4
Fifth stanza, 4 - 5 - 1 - 3 - 6 - 2
Sixth stanza, 2 - 4 - 6 - 5 - 3 - 1
Concluding tercet:
middle of first line - 2, end of first line - 5
middle of second line - 4, end of second line - 3
middle if third line - 6, end of third line - 1