shithub: riscv

ref: 74dfb591e159b5d4600e34dc736a611b2f4a11ba
dir: /sys/games/lib/sudoku/boards/easy-2005-02-03.su/

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.768.....
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...96..58
.59..13..
3..759..2
..83..94.
94..38...
6.3......
.....463.
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