C3132121111133313233121111331333133313331333133313331333133313332121211   >>    C313212111113331323312111133133313331333133313331333133313331333212121   <<    C3132121111133313233121111331333133313331333133313331333133313332121213   >>      C3132121111133313233121111331333133313331333133313331333133313332121212   >>