Correct format of four-character signature

Calligraphy is written from left to right and from top to bottom. According to this way of writing, there are three ways of writing.

1, vertical amplitude. From top to bottom, four words are written vertically in one line, one or two lines of small letters are written vertically on the left, and the first chapter is covered between the two words in the upper right corner.

2. Fight. Write two lines, two words each, from right to left, and affix signature seals on the left and upper right corner.

3. banners. From right to left, write a line horizontally, write one or two lines of fine print vertically on the left, affix the name stamp, and affix the first chapter on the upper right corner.