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Tapa with regional match (744)

Instruction:
Solve two tapa puzzles. Cells marked with equality sign have identical solution in both grids. The other cells are different.
Tapa = Blacken some empty cells in a way that all black cells are orthogonally connected and no 2x2 area is completely black. The numbers in the cells give hints on how to blacken the surrounding cells (even diagonally): Each number represents a group of horizontally or vertically adjacent cells; groups around a hint-cell have to be separated by at least one white cell. The order of the numbers is unimportant.

Reference: WPC 2018 (120)

Parent puzzle:
Tapa