« on: January 29, 2020, 03:30:21 AM »
Hi! I would like to thank you for this wonderful site.
I made some charts on your site. They use 150 colors.
And I found that the one symbol used to 2 colors.
The symbol is like y, and turn left y.
You use y, and turn left and upside down.
But there is not y turn right.
Please check it!