Information on how to construct bets through bet string format can be found on the following link: Batch Betting - Bet String Format
You can type or copy your bets directly into the Batch Bet fields and then submit using the Submit Batch button.

Alternatively, you may create your bets in any text editor of your choice to create a file of bets for submission via the Submit Batch File button.
This guide is also available to download (Adobe PDF - 52 kb).