C3132121111133313233121111331333133313331333133313331333133313113313233322331   >>    C313212111113331323312111133133313331333133313331333133313331311331323332233   <<    C3132121111133313233121111331333133313331333133313331333133313113313233322333   >>      C3132121111133313233121111331333133313331333133313331333133313113313233322332   >>