problem about precision in transform and quantization

In document VCEG-O25, Tabele 2 is given as following:----------------------------------------------------------------------------Luma and chroma transform adn quantization---------------------------------------------------------------------------                             |     Input bits    |   Output bits-----------------------------|----------------------|----------------------Forword transform   |   9,  11,  13    |    15,  16, 16Quantization           | 15,  16,  16    |    10,  12, 14Dequantization       |  10,  12,  14    |    15,  17, 19Inverse transform    |  15,  17,  19    |     9,   11, 13----------------------------------------------------------------------------In quantization, input data is 15-bits wide. Becasue the max quantMat 13107 is  14-bits wide, the output data should be 12 bits wide after a 17 right shifting.  But  the it is "10" in the table. Is my understanding wrong?Thanks for your help. 


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