Pure Poem No.1517

I III II III II III I II II I III II III III I I I III II II
II I III I III I I II II II I II III II III III III II I I
I III II III II III III I I I III I II I II II II I III III
III II I II I II II III III III II III I III I I I III II II
I I III II II II III II II I II I III III I II III I I III
III III II I I I II I I III I III II II III I II III III II
II II I III III III I III III II III II I I II III I II II I
II I I I I II III I III II II I III III III I II II III II
I III III III III I II III II I I III II II II III I I II I
III II II II II III I II I III III II I I I II III III I III
I III III I II III I II III II I I II III III II I II II I
III II II III I II III I II I III III I II II I III I I III
II I I II III I II III I III II II III I I III II III III II
I II III I II III III II III I II III I II I I II III I II
III I II III I II II I II III I II III I III III I II III I
II III I II III I I III I II III I II III II II III I II III
I I I III I III III III II II II II II I III I I III II II
III III III II III II II II I I I I I III II III III II I I
II II II I II I I I III III III III III II I II II I III III
III II III II II II I III I II III I I II III I I III II I