*IF statement [#i204bb42] **Sample Code 1[#u01684dc] a(T):rsrrsr b(T):a(2-T)b(T-5) c(T):b(T)sc(T-1) c(20) *Function of the form [1]X[2] [#g4076fa7] *Function of the form X[1]X [#jb2732e7] In this code, b(T) equals "rsrrsr" if T≡1 mod 5, and no moves otherwise. **Examples [#p8f6fdb5] -素数 mod 11, divisors