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Your goal is to make two squares of the same size from a set of rectangles. Each of the rectangles has an aspect ratio of 1:2.

Select two sets of rectangles from the list:

1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 13, 14, 16, 17, 18, 21, 23, 31

Some of the rectangles will be in both squares, no rectangle will be repeated in one square. No gaps or overlaps, one tiling is unique and the other has a sub-rectangle that can be flipped. Only the short side of each rectangle is listed.

This time I think it's only fair to allow computers. However good hand solvers will probably still be able to hand solve this.

Your goal is to make two squares of the same size from a set of rectangles. Each of the rectangles has an aspect ratio of 1:2.

Select two sets of rectangles from the list:

1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 13, 14, 16, 17, 18, 21, 23, 31

Some of the rectangles will be in both squares, no rectangle will be repeated in one square. Every rectangle will be used at least once. No gaps or overlaps, one tiling is unique and the other has a sub-rectangle that can be flipped. Only the short side of each rectangle is listed.

This time I think it's only fair to allow computers. However good hand solvers will probably still be able to hand solve this.

Your goal is to make two squares of the same size from a set of rectangles. Each of the rectangles has an aspect ratio of 1:2.

Select two sets of rectangles from the list:

1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 13, 14, 16, 17, 18, 21, 23, 31

Some of the rectangles will be in both squares, no rectangle will be repeated in one square. No gaps or overlaps, one tiling is unique and the other has a sub-rectangle that can be flipped.

This time I think it's only fair to allow computers. However good hand solvers will probably still be able to hand solve this.

Your goal is to make two squares of the same size from a set of rectangles. Each of the rectangles has an aspect ratio of 1:2.

Select two sets of rectangles from the list:

1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 13, 14, 16, 17, 18, 21, 23, 31

Some of the rectangles will be in both squares, no rectangle will be repeated in one square. No gaps or overlaps, one tiling is unique and the other has a sub-rectangle that can be flipped. Only the short side of each rectangle is listed.

This time I think it's only fair to allow computers. However good hand solvers will probably still be able to hand solve this.

Make two squares the same size from rectangles with aspect ratio $1:2$ This time, select two sets of rectangles from the list

1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 13, 14, 16, 17, 18, 21, 23, 31

Some of the rectangles will be in both squares, no rectangle will be repeated in one square. No gaps or overlaps, one tiling is unique and the other has a sub-rectangle that can be flipped.

This time I think it's only fair to allow computers. However gun hand solvers will probably still be able to hand solve this.

Your goal is to make two squares of the same size from a set of rectangles. Each of the rectangles has an aspect ratio of 1:2.

Select two sets of rectangles from the list:

1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 13, 14, 16, 17, 18, 21, 23, 31

Some of the rectangles will be in both squares, no rectangle will be repeated in one square. No gaps or overlaps, one tiling is unique and the other has a sub-rectangle that can be flipped.

This time I think it's only fair to allow computers. However good hand solvers will probably still be able to hand solve this.