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Determinant Sudoku (420)

Instruction:
Apply classic sudoku rules. The determinants of 2x2 matrices are given in the center of the four cells. The determinant of a 2x2 matrix is a a x d - b x c, where a is the top left, b is the top right, c is bottom left and d is the bottom right element.

Reference: WPF (1)

Examples:
WPF Sudoku GP 2014 - Round 1 (112)
WPF Sudoku GP 2018 - Round 5 (62)
Parent puzzle:
Sudoku