Examples:
16x16 grid C0D1|79F4|BE53|68A2 E9A8|51D2|64CF|B370 7F35|8C6B|012A|49DE 246B|03AE|789D|15CF ----+----+----+---- 0123|4576|89AB|CEFD 4576|1023|CDFE|8A9B 8A9C|BDEF|1032|5467 BDEF|98CA|4567|0123 ----+----+----+---- 1204|3657|9AB8|DFEC 3657|2401|DFEC|9B8A 98CA|EFBD|2301|7645 DBFE|CA89|5674|2031 ----+----+----+---- 5310|6E4C|A2D9|F7B8 6742|AB30|FC85|ED19 AC8D|F795|EB16|3204 FEB9|D218|3740|AC56 a 25x25 grid:
abcde fghij klmno pqrst uvwxy fghij klmno pqrst uvwxy abcde klmno pqrst uvwxy abcde fghij pqrst uvwxy abcde fghij klmno uvwxy abcde fghij klmno pqrst bcdef ghijk lmnop qrstu vwxya ghijk lmnop qrstu vwxya bcdef lmnop qrstu vwxya bcdef ghijk qrstu vwxya bcdef ghijk lmnop vwxya bcdef ghijk lmnop qrstu cdefg hijkl mnopq rstuv wxyab hijkl mnopq rstuv wxyab cdefg mnopq rstuv wxyab cdefg hijkl rstuv wxyab cdefg hijkl mnopq wxyab cdefg hijkl mnopq rstuv defgh ijklm nopqr stuvw xyabc ijklm nopqr stuvw xyabc defgh nopqr stuvw xyabc defgh ijklm stuvw xyabc defgh ijklm nopqr xyabc defgh ijklm nopqr stuvw efghi jklmn opqrs tuvwx yabcd jklmn opqrs tuvwx yabcd efghi opqrs tuvwx yabcd efghi jklmn tuvwx yabcd efghi jklmn opqrs yabcd efghi jklmn opqrs tuvwx |
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