Seeking knowledge, how to calculate Yuci mahjong?

2, hanging stickers, candy stickers are 3/4, and self-touch hanging candy stickers are 6/8.

Note: If there is a clear or broken door in the first item,

You can add a little 3/4 when pasting. If the paste is broken, you can add a little 3/4.

Self-touching should add two points 4/5; You have to add two points and four fifths.

If the second item is clear?

If the door is clear, you can add a little 4/5; If the paste is broken, you can add a little 4/5.

Self-touching should add two points 5/6; Why do you have to add two points, 5/6?

Paste them together, and add 5 in both cases, which is equivalent to touching Hu.

All colors and dragons are 12.

Seven pairs are1112.