Comma use

I am reading 'Horrid Henry' with my son who will be in year 2 next week.

Rude Ralph had lost four, two top and two botto, and could spit to the blackboard from his desk.

Please explain the use of comma before "two top.." and "and...

3. Use commas to offset appositives from the rest of the sentence.

https://www.google.co.uk/amp/s/amp.businessinsider.com/a-guide-to-proper-comma-use-2013-9

Is it no 3?