Capsules Sudoku (608)

Instruction:

Place a number from 1-8 in each empty cell in the grid such that each row, column and marked region each number exactly once. Note that cells containing capsules span three columns.

Reference: WPF (1)

Examples:

WPF Sudoku GP 2014 - Round 4 (115)

WPF Sudoku GP 2016 - Round 4 (101)

Parent puzzle:
Parquet Sudoku