4 adjectives to describe elevenths

This dispatch was then written in four parts; the first, fifth, ninth, etc., letters being put in the first part; the second, sixth, tenth, etc., in the second; the third, seventh, eleventh, etc., in the third; the fourth, eighth, twelfth, etc., in the fourth, and so on to the end.

It is certain that the remaining books of 'The Prelude' were all written in the spring and early summer of 1805; the seventh, eighth, ninth, tenth, eleventh, and part of the twelfth being finished about the middle of April; the last 300 lines of book twelfth in the last week of April; and the two remaining booksthe thirteenth and fourteenthbefore the 20th of May.

" On the fourth, eleventh, and eighteenth of September, the commitee were employed variously.

It is certain that the remaining books of 'The Prelude' were all written in the spring and early summer of 1805; the seventh, eighth, ninth, tenth, eleventh, and part of the twelfth being finished about the middle of April; the last 300 lines of book twelfth in the last week of April; and the two remaining booksthe thirteenth and fourteenthbefore the 20th of May.

4 adjectives to describe  elevenths