C3132121111133313233121111331333133313331333133313331333133313232212122331   >>    C313212111113331323312111133133313331333133313331333133313331323221212233   <<    C3132121111133313233121111331333133313331333133313331333133313232212122333   >>      C3132121111133313233121111331333133313331333133313331333133313232212122332   >>