# Plate layouts for Ampliseq Combinatorial Dual (CD) Indexes Sets A, B, C and D
The following table shows the plate layout for Ampliseq CD Indexes Sets A, B, C and D, which are designed for dual indexing. The catalog numbers for these index kits are 20019105 (Set A), 20019106 (Set B), 20019107 (Set C), and 20019167 (Set D).
**AmpliSeq CD Indexes Set A for Illumina**\
**AmpliSeq CD Indexes Set B for Illumina**\
**AmpliSeq CD Indexes Set C for Illumina**\
**AmpliSeq CD Indexes Set D for Illumina**\
The Index Adapters Pooling Guide, linked [here](https://support-docs.illumina.com/SHARE/IndexAdaptersPooling/Content/IndexAdapterPooling.htm), contains this table along with recommended index combinations for low-plexity library pooling.
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