change default data size to 2.
change default data size to 2.

bpowers/radix,trigrass2/radix,bpowers/radix,rightscale/radix,mediocregopher/radix.v3,fzzy/radix,alphagov/radix,mediocregopher/radix.v2,beni55/radix,gabrielperezs/radix.improved,ctrlaltdel121/radix