The grid has 100 squares. Everyone gets squares at random, then the numbers 0 to 9 are drawn for each side. At each quarter, the last digit of each team's score points to the winning square.
The conference championships are on Sunday 31 January. Super Bowl LXI is on Sunday 14 February 2027 in the US, which is Monday morning 15 February in Australia.
In the US this runs as a pool for bragging rights, with no money fields. In Australia and New Zealand it runs as a sweep with your local limits checked.