C111123313121111121111331333133313331323112113313113313231333133313331322122321   >>    C11112331312111112111133133313331333132311211331311331323133313331333132212232   <<    C111123313121111121111331333133313331323112113313113313231333133313331322122323   >>      C111123313121111121111331333133313331323112113313113313231333133313331322122322   >>