After I'd outlined seven action steps to winning Nationals (practice like mortals, write a killer routine, fund-raise the application fee, get Coach Gertie to send in the forms, create team unity, get entire team focused on winning, perform a killerly perfect routine to wow the judges), I really got into the swing of the ugliest talking todo list.

Postmen, binmen, dock workers, even barristers are now on strike. Where will all this end?

[>OK, this is no problem. I know the basic logic steps, and I buy the definition of backtracking and logic I was told. But say these to an average non-math sudoku solver...] What? That they are doing gen-you-ine math and are enjoying it?

You need to write down what happened while it's still fresh in your mind.