PUZZLE 38 . TRIOMINO SUDOKU

Rules : Place a digit from 1 to 6 into each empty cell or blacken the cell so that each digit appears exactly once
in every row, column, and outlined 3×3 region along with three black cells.Each black cell should be part of an orthogonally connected group of three blackened cells (a triomino).All 6 possible triomino arrangements are shown. No two triominoes can share an edge.
triminoTriomino

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