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カテゴリー: East Central NA
| カテゴリー | #(コンテスト) | #(問題) | |
|---|---|---|---|
| East Central NA 2017 | A B C D E F G H I J | 10 | |
| East Central NA 2018 | A B C D E F G H I J | 10 | |
| East Central NA 2019 | A B C D E F G H I J K | 11 | |
| East Central NA 2020 | A B C D E F G H I J K L | 12 | |
| East Central NA 2021 | A B C D E F G H I J K L M | 13 | |
| East Central NA 2022 | A B C D E F G H I J K L | 12 | |
| East Central NA 2023 | A B C D E F G H I J K L | 12 | |
| East Central NA 2024 | A B C D E F G H I J K L M | 13 | |
| East Central NA 2025 | A B C D E F G H I J K L | 12 |