C11112331312111112111133133313331333132323213331333133313223313113313231313321   >>    C1111233131211111211113313331333133313232321333133313331322331311331323131332   <<    C11112331312111112111133133313331333132323213331333133313223313113313231313323   >>      C11112331312111112111133133313331333132323213331333133313223313113313231313322   >>