start        size  index  contents
       0           1         PMBR
       1           1         Pri GPT header
       2          32         Pri GPT table
      34           6
      40      409600      1  GPT part - C12A7328-F81F-11D2-BA4B-00A0C93EC93B
  409640  1951845952      2  GPT part - 53746F72-6167-11AA-AA11-00306543ECAC