@1ulka1 thank you! I would say at least 100cm, but for A and C (black and blue colors) probably 125-130 cm because those colors have more knots. I typically cut my strings the full length of my arm to just past my opposite shoulder. If you notice some of the strings are getting much shorter than others of the same color, you can make a forward-backward knot where they intersect to switch their places to use string more evenly. Adjustments can also be made (with experience) depending on type of closure... like long ties on each end, or a loop and button.
Akinomek
