stage 1
left right left
left left right

stage 2
right right keft
right right left

stage 3
right right right
left left left

stage 4
left left right
left right left

stage 5
left left left
right left left

stage 6
right left right
left left right

stage 7
symmetrical left left
left symmetrical left
well these are special aren't they, so lets do some kind of parallax squeeze on them to fake directionality, smaller side facing player

stage 8
left right left
left left left

stage 9 
right right left
right left left

stage 10 has a green background make sure you find a way to omit it or make a new one on alpha and tell me so i can place it( there were two atlases for stage ten, v2 was alpha so i named it like the rest as stage-10-enemies and the facing will be for it
right, symmetrical, left
symmetrical, left, symmetrical,      on symmetricals a neat effect would be that teeter totter motion

stage 11

right left left
right right right 

stage 12 
all six face left

stage 13 
all six face right

stage 14
all six face left

stage 15
right right left
right right left

stage 16
right right right
right left left

stage 17
right left left
right left left

stage 18
right right left
right right right

stage 19
right symmetrical symmetrical
left symmetrical left

stage 20 finally damn it
right left right
right left left