The first tile 1a, and 1b, 1c, 1d obtained from it by 90o rotations.
Mirror-image 2a of the first tile, and 2b, 2c, 2d
obtained from it by 90o rotations.
The second tile 3a, and 3b, 3c, 3d obtained from it by 90o rotations.
Mirror-image 4a of the second tile, and 4b, 4c, 4d
obtained from it by 90o rotations.