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Rossini Sudoku (620)

Instruction:
Apply classic sudoku rules. The arrows outside the grid indicate that the first three digits are in ascending or descending order (the highest digit is at the point of the arrow). If there is no arrow outside, the first three digits cannot be in either ascending or descending order.

Reference: WPF (1)

Examples:
WPF Sudoku GP 2016 - Round 7 (37)
WPF Sudoku GP 2020 - Round 5 (152)
WPF Sudoku GP 2020 - Round 6 (153)
WPF Sudoku GP 2021 - Round 2 (158)
Parent puzzle:
Outside Sudoku