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Elements of the group are displayed as words in the presentation $\langle a, b, c, d \mid a^{6}=b^{18}=c^{2}=d^{6}=[a,d]=[c,d]=1, b^{a}=b^{5}, c^{a}=cd^{3}, c^{b}=cd^{3}, d^{b}=cd^{2} \rangle$ .
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