C111123313121111121111331333133313331323232133313331333132233133313331311223321   >>    C11112331312111112111133133313331333132323213331333133313223313331333131122332   <<    C111123313121111121111331333133313331323232133313331333132233133313331311223323   >>      C111123313121111121111331333133313331323232133313331333132233133313331311223322   >>