1 Across, Trick by foreign duke shrouded in obscurity-bad behaviour (10)
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9 Across, Editor in difficulty over small page-power to be offered by lens? (7) ????T??
13 Across, Ally is odd,endlessly shifty,becoming this? (8)SORRY NO LETTERS
17 Across, Patricians let loose can turn out to be this (13) ????R?A??????