@giannavaz the same way you would, if it was symmetrical. Both edges of the triangle start are tied independently from each other. It makes no difference whether the pattern is symmetrical or not.
I finished this pattern yesterday!!!The pattern is not hard, but if this is your first time doing a "picture pattern" it would be easier to do the same colors as in the pattern; writing the pattern down and reading it while tying the bracelet will make you less confused if doing different