C3132121111133313233121111331333133313331333121211113313332113313223313223111   >>    C313212111113331323312111133133313331333133312121111331333211331322331322311   <<    C3132121111133313233121111331333133313331333121211113313332113313223313223113   >>      C3132121111133313233121111331333133313331333121211113313332113313223313223112   >>