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)

JPhrases/RotateReflect