Find the mistake

In this article, East-West managed to reach the right contract. One or the orther (or both) has, however, commited bidding errors along the way.

Your task is to find these errors. You get 2 points for every error you identify correctly.

Level 1

Sequence 1

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Sequence 2

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Sequence 3

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Level 2

Sequence 1

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Sequence 2

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