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Elements of the group are displayed as words in the presentation $\langle a, b, c, d \mid a^{6}=b^{3}=c^{9}=d^{9}=[b,c]=[b,d]=[c,d]=1, b^{a}=b^{2}, c^{a}=c^{2}d^{3}, d^{a}=c^{2}d^{8} \rangle$ .
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