| V3 | C or U in position 8 |
CSFV-a2 | V1 | AC in position 15 (exception G-C) |
V2 | A-U in position 1; G:Y in position 6 | |
V3 | A-U in position 6; U or C in position 8 | |
CSFV-a3 | V1 | AC in position 15 |
V2 | AC in position 1; G:Y in position 6 | |
V3 | A in position 8 | |
CSFV-a4 | V1 | G:Y in position 15 |
V2 | A-U in position 1; G:Y in position 6 | |
V3 | AC or UC in position 6; A in position 8 (exception C) | |
CSFV-a5 | V1 | A-U in position 15 |
V2 | AC in position 1; A-U in position 6 | |
V3 | U in position 8 | |
CSFV-a6 | V1 | G:Y in position 15 |
V2 | A-U in position 1; A-U in position 6 | |
V3 | C in position 8 |