S fast

S fastS fastS fastS fastS fastS fast
S fastS fastS fastS fastS fastS fast
S fastS fastS fastS fastS fastS fastS fastS fastS fastS fastS fastS fastS fastS fastS fastS fastS fastS fastS fastS fastS fastS fastS fastS fastS fastS fastS fastS fastS fastS fastS fastS fastS fastS fastS fastS fast