2 CGCG ? ? 3 GCGC 11.90 1.9 4 CGCG 13.16 1.6 5 GGCC 11.26 1.8 6 GGCC 12.75 1.8 7 GCGC 13.11 1.9 8 CGCG 11.61 1.9 9 GGCC 11.19 1.8 10 GGCC 12.81 1.7 11 GCGC 13.03 1.8 12 CGCG 11.62 1.9 13 GGCC 11.36 1.8 14 GGCC 12.28 1.9 15 GCGC 12.41 1.6 16 CGCG 12.47 2.9