C3132121111133313233121111331333133313331333133313331333133313223313332313131   >>    C313212111113331323312111133133313331333133313331333133313331322331333231313   <<    C3132121111133313233121111331333133313331333133313331333133313223313332313133   >>      C3132121111133313233121111331333133313331333133313331333133313223313332313132   >>