1AOne arrow is added each step.
2BThe arrows turn a quarter turn anticlockwise each step.
3CThe shape shrinks smaller each step.
4DA ring is removed around the central dot each step.
5CThe shading alternates between white and grey each step.
6DThe dot moves one position anticlockwise each step.
7AThe arrows turn a quarter turn anticlockwise each step.
8EA ring is added around the central dot each step.
9CThe dot moves one position clockwise each step.
10AThe arrows turn a quarter turn anticlockwise each step.
11DThe shape grows larger each step.
12CEach step: mirror left–right.
13EEach step: rotate 90° anticlockwise.
14AEach step: mirror left–right, then reverse the shading.
15DTwo independent rules: the corners rotate 180°; the centre changes to the next shape in the cycle (circle→square→diamond→triangle→circle).
16CThe dot moves one position clockwise each step.
17EThe shading alternates between black and diagonal stripes each step.
18BThe outline loses one corner each step.
19COne arrow is added each step; direction alternates.
20ETwo independent rules: the corners mirror left–right; the centre stays the same.
21CThe shading is reversed.
22COne bar is removed at the foot.
23DEach shape: rotate 90° anticlockwise, then reverse the shading.
24BThe shape shrinks smaller.
25AEach shape: the dot turns 180°.
26BThe shape grows larger.
27BEach shape: rotate 90° clockwise.
28BEach shape: mirror left–right, then reverse the shading.
29EThe shading is reversed.
30BEach shape: mirror left–right.
31EEach shape: mirror left–right.
32BThe shape grows larger.
33DEach shape: rotate 90° anticlockwise, then reverse the shading.
34BEach shape: mirror left–right, then reverse the shading.
35DTwo independent rules: the corners rotate 90° clockwise; the centre stays the same.
36EEach shape: the dot turns 90 anticlockwise°.
37DTwo independent rules: the corners mirror top–bottom; the centre changes to the next shape in the cycle (circle→square→diamond→triangle→circle).
38BTwo independent rules: the corners rotate 90° anticlockwise; the centre stays the same.
39CThe shape shrinks smaller.
40BOne dot is removed from the shape.
41AFour shapes share the same outline style; one does not.
42BFour shapes share the same size of the dots; one does not.
43DFour shapes share the same shading; one does not.
44EFour shapes share the same shading of the dots; one does not.
45CFour shapes share the same shading of the leaf; one does not.
46AFour shapes share the same shading; one does not.
47DFour shapes share the same number of lines crossing it; one does not.
48EFour shapes share the same shading; one does not.
49DFour shapes share the same shading; one does not.
50DFour shapes share the same shading of the leaf; one does not.
51AFour shapes share the same number of lines crossing the stem; one does not.
52CFour shapes share the same outer shape; one does not.
53AFour shapes share the same number of small shapes; one does not.
54DFour shapes agree on whether the line closes into a loop; one does not.
55AFour shapes share the same shading; one does not.
56DFour shapes share the same top of the stem; one does not.
57BFour shapes share the same shading of the dots; one does not.
58DFour shapes agree on whether a corner points inwards; one does not.
59EFour shapes agree on whether a dot sits where they overlap; one does not.
60EFour shapes share the same shape on top; one does not.
61DTop letter = shape on top, bottom letter = its shading.
62ETop letter = shape, bottom letter = which one is black.
63ETop letter = shading, bottom letter = whether a corner points inwards.
64ATop letter = bars at the foot, bottom letter = shape on top.
65ETop letter = where the lines sit, bottom letter = how many lines.
66BTop letter = frame, bottom letter = centre shape.
67CTop letter = number of corners, bottom letter = shading.
68ETop letter = shading, middle letter = whether a corner points inwards, bottom letter = number of corners.
69ATop letter = frame, bottom letter = centre shape.
70DTop letter = where the lines sit, bottom letter = how many lines.
71CTop letter = frame, bottom letter = centre shape.
72CTop letter = whether a corner points inwards, bottom letter = shading.
73BTop letter = shading, bottom letter = how many shapes.
74CTop letter = how many joined shapes, bottom letter = whether the line closes into a loop.
75DTop letter = whether a corner points inwards, bottom letter = shading.
76ATop letter = shape on top, bottom letter = its shading.
77ETop letter = frame, bottom letter = centre shape.
78ETop letter = frame, bottom letter = centre shape.
79ATop letter = number of corners, bottom letter = whether a corner points inwards.
80ATop letter = shading, middle letter = whether a corner points inwards, bottom letter = number of corners.