\section*{Test result} \begin{itemize} \item[orig] ABCDEFG tuvwxyz \item[1 1] A \item[1 2] AB \item[1 3] ABC \item[1 4] ABCD \item[1 5] ABCDE \item[1 6] ABCDEF \item[1 7] ABCDEFG \item[1 1] A \item[2 1] B \item[3 1] C \item[4 1] D \item[5 1] E \item[6 1] F \item[7 1] G \item[-1 1] z \item[-1 2] yz \item[-1 3] xyz \item[-1 4] wxyz \item[-1 5] vwxyz \item[-1 6] uvwxyz \item[-1 7] tuvwxyz \item[-2 7] tuvwxy \item[-3 7] G tuvwx \item[-4 7] FG tuvw \item[-5 7] EFG tuv \item[-6 7] DEFG tu \item[-7 7] CDEFG t \item[-1 7] tuvwxyz \item[-2 6] tuvwxy \item[-3 5] tuvwx \item[-4 4] tuvw \item[-5 3] tuv \item[-6 2] tu \item[-7 1] t \item[-1 8] tuvwxyz \item[-2 7] tuvwxy \item[-3 6] tuvwx \item[-4 5] tuvw \item[-5 4] tuv \item[-6 3] tu \item[-7 2] t \item[-8 1] t \item[orig] ÅÇÈÎØÜÝ åçèîøüý \item[1 1] Å \item[1 2] ÅÇ \item[1 3] ÅÇÈ \item[1 4] ÅÇÈÎ \item[1 5] ÅÇÈÎØ \item[1 6] ÅÇÈÎØÜ \item[1 7] ÅÇÈÎØÜÝ \item[1 1] Å \item[2 1] Ç \item[3 1] È \item[4 1] Î \item[5 1] Ø \item[6 1] Ü \item[7 1] Ý \item[-1 1] ý \item[-1 2] üý \item[-1 3] øüý \item[-1 4] îøüý \item[-1 5] èîøüý \item[-1 6] çèîøüý \item[-1 7] åçèîøüý \item[-2 7] åçèîøü \item[-3 7] Ý åçèîø \item[-4 7] ÜÝ åçèî \item[-5 7] ØÜÝ åçè \item[-6 7] ÎØÜÝ åç \item[-7 7] ÈÎØÜÝ å \item[-1 7] åçèîøüý \item[-2 6] åçèîøü \item[-3 5] åçèîø \item[-4 4] åçèî \item[-5 3] åçè \item[-6 2] åç \item[-7 1] å \item[-1 8] åçèîøüý \item[-2 7] åçèîøü \item[-3 6] åçèîø \item[-4 5] åçèî \item[-5 4] åçè \item[-6 3] åç \item[-7 2] å \item[-8 1] å \end{itemize} \endinput