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SHAREHOLDERS' EQUITY - Treasury shares (Details) - BRL (R$) R$ / shares in Units, R$ in Thousands |  |  | 1 Months Ended | 6 Months Ended | 12 Months Ended |
--- | --- | --- | --- | --- | --- | ---
Feb. 28, 2023 | Oct. 27, 2022 | Jul. 31, 2023 | Jun. 30, 2023 | Jun. 30, 2022 | Dec. 31, 2022 | Dec. 31, 2021
SHAREHOLDERS' EQUITY |  |  |  |  |  |  |
Number of shares held in treasury |  |  |  | 32,466,900 |  | 51,911,569 | 12,042,004
Average cost per share |  |  |  | R$ 42.55 |  | R$ 40.84 | R$ 18.13
Historical value |  |  |  | R$ 1,381,600 |  | R$ 2,120,324 | R$ 218,265
Market value |  |  |  | R$ 1,435,686 |  | R$ 2,504,214 | R$ 656,530
Number of shares cancelled | 37,145,969 |  |  | 37,145,969 |  |  |
Number of shares repurchased |  |  |  | 17,701,300 |  | 40,000,000 |
Value of shares repurchased |  |  |  | R$ 778,500 | R$ 601,551 | R$ 1,904,424 |
Cash effect of shares repurchased |  |  | R$ 57,448 | R$ 721,052 |  |  |
Repurchase Program |  |  |  |  |  |  |
SHAREHOLDERS' EQUITY |  |  |  |  |  |  |
Number of shares authorized for repurchase |  | 20,000,000 |  |  |  |  |
Share repurchase program maximum term |  | 18 months |  |  |  |  |

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