C111123313121111121111331333133313331333112221211111133132213111323321   >>    C11112331312111112111133133313331333133311222121111113313221311132332   <<    C111123313121111121111331333133313331333112221211111133132213111323323   >>      C111123313121111121111331333133313331333112221211111133132213111323322   >>