Andrey, I know this is late to ask this question: Are the guidelines quoted below from Lith print Exchange #9 the ones we follow? I'm new to this exchange, and new to Lith printing.

" Lith print exchange round 9?
Anybody up for another round?
Guidelines below stolen from one of the previous exchanges, thanks Ruediger
1. This is about sharing what can be done in lith printing with the emphasis on the process and not on the value of the prints themselves. I plan on sending my best attempts and I'm sure everyone else will do the same.
2. Everyone will be divided into groups of 3 or 4 people. So the maximum number of prints you will have to send is 3.
3. Print size and presentation will not have any requirements. Prints may be on fibre or RC paper. They may be unmounted, mounted, and/or matted. It's up to you.
4. The print may be straight lith, toned lith or bleach and redevelopment in lith.
5. The addition of explanatory notes is optional, but the recipients may appreciate an explanation of the process, such as paper type, lith developer type, dilutions etc.
6. The exchange is open to anyone who wants to print in lith. Experience is irrelevant although I will mix the groups to give a good mixture.
7. This is an international exchange, so be prepared to send your prints anywhere in the world."