Blueprint - Mix White 3x3p 2 each RGB for 6 full white outputs

Produce 6 full white outputs from 2 full inputs of each primary color which uses all 12 docks (group of 12 IO ports) of a 3x3 platform. Second image shows combining 6x 2/3rd full space pipes into four completely full space pipes to fill only 4 train collectors, and fill them faster.