Figure 6
Vertex 2-colorings of the hexagonal tiling that give rise to BC3 nanotubes. (a) K = [ \langle x^2, y^2,a,b\rangle\cong p6mm], (b) K = [ \langle x,y^2,a^3b \rangle \cong pm], (c) K = [ \langle x^2,xy^2, xb,a^3b\rangle \cong p2mg].  [article HTML]

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