Yellow=1 width
Green=2 widths
Red=1 length
Blue=18 lengths?
If you got your red you thought you'd cracked it and then came the chance of a blue! I seem to remember a life guard walking along side you with a long pole with an S shaped hook on the end, terrifying!
The smell of the baths remain with me to this day and whenever mates and I go to the toilet in certain pubs or clubs when we return someone always remarks that they just jumped off the 4th board (gone for a leak).
Wasn't there a white as well for 24 lengths, also remember diving down the deep end to bare your ass againts the large windows