C111123313121111121111331333133313331333133313331333133313331312113313233321   >>    C11112331312111112111133133313331333133313331333133313331333131211331323332   <<    C111123313121111121111331333133313331333133313331333133313331312113313233323   >>      C111123313121111121111331333133313331333133313331333133313331312113313233322   >>