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Figure 19
(a) The 2V23V2 (10×1) d chain graph and the corresponding unit-distance graph in which nt:ng = 1:1; (b) a 2V23V2, (6×1, 2×21) b chain graph and the corresponding unit-distance graph in which nt:ng = 1:2. Green dashed lines show the repeat unit of each unit-distance graph. Legend as in Fig. 18 |

journal menu![[Figure 19]](uv5024fig19.jpg)
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