not really, if you look closely there's a fairly obvious pattern, as cosine has pointed out!
I have no idea what the pattern is - someone care to explain?
Take a look at the shapes and you will see the same one repeating. If you work out the maths for each double digit number the pattern will be obvious...eg/10-1 = 911-2 = 912-3 = 9etc
but all of my numbers were not nine. except one1. 16 1+6=7-16=9 okay it got me there2. 20 2+0=2-20=18 got me there too3 88 8+8=16-88+72 there toounless im being fooled, which is probably the case.
Ok, I must be dumb or something. How does it know whether I pick 68 or 34? THey're still different symbols.