How to place the couplets and banners in the chancel of a self-built house

The two sides of the chancel, above the couplets.

1, couplets: posted on both sides of the nave, the height is generally the same as the length of the table in the nave, the width is slightly less than the table, in order not to block the table of calligraphy and painting prevail.

2, the cross-pattern: the cross-pattern should be placed in the center of the hall above the couplets, the height should be aligned with the couplets, the cross-pattern of the number of words is more, wider, the number of words should be less on one side and the couplets aligned.