C111123313121111121111331333133313113313231313231333132322331323311331   >>    C11112331312111112111133133313331311331323131323133313232233132331133   <<    C111123313121111121111331333133313113313231313231333132322331323311333   >>      C111123313121111121111331333133313113313231313231333132322331323311332   >>