C3132121111133313233121111331333133313331333133313331333133313331312322333121   >>    C313212111113331323312111133133313331333133313331333133313331333131232233312   <<    C3132121111133313233121111331333133313331333133313331333133313331312322333123   >>      C3132121111133313233121111331333133313331333133313331333133313331312322333122   >>