Reza Behzadan 775398f456 add keys 'a' and 's' for showing board options		2020-05-29 10:19:18 +04:30
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sudoku.lua	add keys 'a' and 's' for showing board options	2020-05-29 10:19:18 +04:30
utils.lua	add check for conflict	2020-05-29 00:58:06 +04:30