*STIC
i1, r1: STL index 1, volume fraction 1
i2, r2: STL index 2, volume fraction 2
...
*STIC is used for the same purpose of *STLC, but is used to specify volume fractions just for the STLs chosen, not requiring every STL to be given a contact volume fraction.
Required cards: *STLM, *STLF