C3132121111133313233121111331333133313331333133313331333133313331313223331211   >>    C313212111113331323312111133133313331333133313331333133313331333131322333121   <<    C3132121111133313233121111331333133313331333133313331333133313331313223331213   >>      C3132121111133313233121111331333133313331333133313331333133313331313223331212   >>