Scrollbars inside flexbox with direction and writing-mode

ltr
horizontal-tb

ltr
vertical-rl

ltr
vertical-lr

rtl
horizontal-tb

rtl
vertical-rl

rtl
vertical-lr

row

1

2

3

1

2

3

1

2

3

1

2

3

1

2

3

1

2

3

row-reverse

1

2

3

1

2

3

1

2

3

1

2

3

1

2

3

1

2

3

column

1

2

3

1

2

3

1

2

3

1

2

3

1

2

3

1

2

3

column-reverse

1

2

3

1

2

3

1

2

3

1

2

3

1

2

3

1

2

3