Nonogram Puzzle: Stairs

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There is a binary image encrypted in the puzzle. The clue numbers on the top and left show how many groups of filled squares must be in a row. Each number shows how many filled squares does each group contain.

For example, a clue of “1, 3, 6, 5” would mean that there are sets of one, three, six, and five filled squares in a row.

There must be at least one blank square between each group.

Groups can adjoin the edges or shrink back from it.

Left-click to fill the square.

Right-click to point the squares that must stay blank.