When co-offenders are charged with different offences arising from overlapping transactions, it is an error to compare their overall sentences as if they were involved in the same criminal enterprise. The parity principle does not apply where offenders face different charges with different maximum penalties, and a sentencing judge must not conflate parity with proportionality in such circumstances. Where a co-offender's most serious offence is unrelated to the applicant's conduct, comparison of aggregate sentences is inapt.
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