S 3 2t

S 3 2tS 3 2tS 3 2tS 3 2tS 3 2tS 3 2t
S 3 2tS 3 2tS 3 2tS 3 2tS 3 2tS 3 2t
S 3 2tS 3 2tS 3 2tS 3 2tS 3 2tS 3 2tS 3 2tS 3 2tS 3 2tS 3 2tS 3 2tS 3 2tS 3 2tS 3 2tS 3 2tS 3 2tS 3 2tS 3 2tS 3 2tS 3 2tS 3 2tS 3 2tS 3 2tS 3 2tS 3 2tS 3 2tS 3 2tS 3 2tS 3 2tS 3 2tS 3 2tS 3 2tS 3 2tS 3 2tS 3 2tS 3 2t