Horizontal-rb fieldset with left/center/right text-align:

LTR

LTR

LTR

RTL

RTL

RTL

Vertical-lr fieldset with left/center/right text-align:

LTR

LTR

LTR

RTL

RTL

RTL

Vertical-rl fieldset with left/center/right text-align:

LTR

LTR

LTR

RTL

RTL

RTL

Sideways-lr fieldset with left/center/right text-align:

LTR

LTR

LTR

RTL

RTL

RTL

Sideways-rl fieldset with left/center/right text-align:

LTR

LTR

LTR

RTL

RTL

RTL