(4;12), (5;10), (7;(1) (9;10) (10;2) (1;9), (12, 8) (12;7) (9;2) (5;2) (2; 5), (2,8), (3; 9), (4;12)

It looks like you've provided a series of number pairs, but it appears that there's some inconsistency in the formatting (for example, some pairs use a semicolon (;) while others use a comma (,) to separate the elements).

To help you effectively, could you clarify what you would like to do with these pairs? For example, are you looking to analyze them, plot them on a graph, find patterns, or something else? Please provide more context so I can assist you better!