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(a) Variations at the 5, 9 and 11 positions, Figure 2 (b) variations at the 5, 9, 11 and 18 positions (c) variants at the 5, 9, 11 and 18 position when A1 and T12 are transposed to T1 and A12, (d) variants at the 5, 9, 11 and 18 positions with G1 and C12 and (e) variants at the 5, 9, 11 and 18 positions with C1 and G12.
