B. Rotations & Reflections

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# 7B. Rotations & Reflections

`m0=: ]` | Identity
`m1=: m6@m7` | Three-o’clock rotation
`m2=: m4@m6` | Six-o’clock rotation
`m3=: m4@m7` | Nine-o’clock rotation
`m4=: |.@]` | Horizontal reflection
`m5=: m2@m7` | Counterdiagonal reflection
`m6=: |."_1@]` | Vertical reflection
`m7=: |:@]` | Diagonal reflection
`d8=: m0`m1`m2`m3`m4`m5`m6`m7 @. [` | i d8 y gives mi y (all rotates and reflects)

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