C3132121111133313233121111331333133313331333133313331211113313223111   >>    C313212111113331323312111133133313331333133313331333121111331322311   <<    C3132121111133313233121111331333133313331333133313331211113313223113   >>      C3132121111133313233121111331333133313331333133313331211113313223112   >>