C111123313121111121111331333133313331323232133313331333133313113313331122321321   >>    C11112331312111112111133133313331333132323213331333133313331311331333112232132   <<    C111123313121111121111331333133313331323232133313331333133313113313331122321323   >>      C111123313121111121111331333133313331323232133313331333133313113313331122321322   >>