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8.
a. yes
b. no
Solution. Yes: the cube has been rotated by 90 degree toward the east. hiding one of the visible sides while showing a new one.
Answer. a
9.
a. yes
b. no
Solution. No: the symbols in these two cubes just do not match
Answer. b
10.
a. yes
b. no
Solution. Yes: the cube has been rotated by 90 degree toward the west. hiding one of the visible sides while showing a new one.
Answer. a
11.
a. yes
b. no
Solution. yes cube is rotated by 90 degree towards the west. hiding one of the visible sides while showing a new one
Answer. a
