1-1-1-1M
Mirror the lower right cell of the tile.
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1-1M-3M-3
Mirror alternate columns, then rotate alternate rows 180 degrees. You should note there are two sets of small squares: one with a border and one surrounded by the small arrows. Likewise, the border can also be viewed as a large square.
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1-1M-1M-1
Mirror alternate cells.
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1-1M-1-1M
Mirror alternate columns.
