Hello cubers!
Any tips on how to memorize square-1?
Because of minus next to the digit I get quite confused.
Any of you experienced give me a hand?
Thank you in advance 
Hello!
I didn’t use mnemonics for square-1, but I have an idea.
You can use different effects for digits with minus. For example -,- is image on fire, -,+ is frozen image and +,- is image covered with plants.
So you can turn
(1,0)/(-1,-1)/(1,1)/(6,0)/(-1,-1)/(1,1)
into
10, --11, 11, 60, --11, 11.
Usual image for 10, image for 11 is on fire(-,-), usual 11, usual 60, 11 on fire, usual 11.
(-1,2) would be image for 12, but frozen.
Ok, thanks. I will check if that works for me 