Hard input constraints:
  • inputs are 3x3
  • inputs contain only 2 colors monocolored: black and another
Hard output constraints:
  • output is 3x input width and height. Suggests that the output is a 3x3 grid based on the input.
    • stronger: if output is split as a 3x3 grid, then each 3x3 block is either black or a copy as input. Which is which?
      • stronger: each pixel of the input determines if block is black or copy (final solution)
  • output contains only two colors: black and another
Input output comparison:
  • input appears pasted on output multiple times: suggests it is being copy pasted
Hard output constraints:
  • output is 3x input width and height: suggests that the output is a 3x3 grid based on the input
    If that is the case, let's try to figure out what is placed on each output grid.
    Notice: each grid element is either blank or the input.
    OK so let's determine what in the input determines each output grid.
    Because input in 3x3 maybe there's a direct mapping.
Hard input constraints:
  • inputs have two colors: green and black
Hard output constraints:
  • output has three colors: black, green and yellow
  • output has same size as input
  • green is copied from input to output
    • output differs from input by making some black pixels yellow. Which pixels are becoming yellow?
Input constraints:
  • inputs are 3x6
Output constraints:
  • outputs are 3x9
TODO: this one is quite challenging.
Output constraints:
  • Input and output have the same size
  • Supposing background is black, input and output contain the same number of objects of each color
    • the lower right part of each object (non-diagonal) does not move
      • the rest of each object outside the lower right part moves by 1 square to the right

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