This test checks table column progression with right-to-left writing mode when using multiple column spans. See also bugzilla #53103.

header-R1;C1-span2

header-R1;C2

header-R1;C3

body-R2;C1

body-R2;C2

body-R2;C3

body-R3;C1-span3

body-R3;C2