C3132121111133313233121111331333133313331333133313331333133323311211   >>    C313212111113331323312111133133313331333133313331333133313332331121   <<    C3132121111133313233121111331333133313331333133313331333133323311213   >>      C3132121111133313233121111331333133313331333133313331333133323311212   >>