C3132121111133313233121111331333133313331333121211113312111133133313223322331   >>    C313212111113331323312111133133313331333133312121111331211113313331322332233   <<    C3132121111133313233121111331333133313331333121211113312111133133313223322333   >>      C3132121111133313233121111331333133313331333121211113312111133133313223322332   >>