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Elements of the group are displayed as words in the presentation $\langle a, b, c, d, e, f \mid b^{3}=d^{21}=e^{7}=f^{7}=[c,f]=[e,f]=1, a^{2}=cde^{2}f, c^{3}=f^{6}, b^{a}=b^{2}d^{3}e^{2}f^{5}, c^{a}=c^{2}d^{15}e^{4}f, d^{a}=c^{2}d^{7}e^{5}f^{2}, e^{a}=d^{9}f^{3}, f^{a}=f^{4}, c^{b}=c^{2}d^{4}e, d^{b}=c^{2}d^{9}e^{2}f^{6}, e^{b}=d^{18}e^{5}f^{5}, f^{b}=e^{2}f^{2}, d^{c}=d^{16}e^{2}, e^{c}=e^{4}f^{3}, e^{d}=e^{4}f^{2}, f^{d}=f^{2} \rangle$ .
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