Staircase Sudoku is also known with another name called Expanded Sudoku. In fact earlier Sudoku Puzzle of this type is published with name

**. This Sudoku I submitted for World Sudoku Championships 2017. However we decided to put Sudoku puzzles of only 9x9 size, so this puzzle was not included in this championship. After a long gap of more than one year, I am publishing Sudoku puzzle in Daily Sudoku League. From now onward I will be regular in posting puzzles in this league. I am publishing this Staircase Sudoku puzzle as part of Daily Sudoku League as 208th Sudoku puzzle in this series.**__Expanded Sudoku__##
__Rules of Staircase Sudoku Puzzle__

Place a digit from 1 to 9 in each empty cell so that each digit appears exactly once in each row, column and 3X3 box in each of the grid. Two grids are overlapping with gaps in the middle.

This Staircase Sudoku Puzzle I am publishing as #208th Sudoku puzzle in The League of Extraordinary Ladies & Gentlemen. Here are the next are previous Sudoku puzzles published in this series.

Previous Sudoku Puzzle is XV Sudoku Puzzle (Daily Sudoku League #207)

Next Sudoku Puzzle is Anti Windoku Puzzle (Daily Sudoku League #209)

2:07.Nice and easy !

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