5G NR RACH Root sequence

Hi,
How long prach root index change with ZeroCorrelationZone data? For ZeroCorrelationZone =0, when sequence index =0 and preamble index = 1, the root index was 710, but for ZeroCorrelationZone =1, when sequence index =0 and preamble index = 1, the root index was 129.
reference - TS 138.211