The language that accepts strings with the number of 0s being congruent with 1%3 and an even number of 1s over the alphabet {0, 1}.
1 Answer
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Here is one possible way: $$ \{ w \in \{0,1\}^* : \text{the number of 0s in $w$ is congruent to 1 modulo 3, and the number of 1s is even} \} $$