sudo sfdisk /dev/sdb << EOF
label: gpt
device: /dev/sdb
unit: sectors

/dev/sdb1 : start=        2048, size=        2048, type=21686148-6449-6E6F-744E-656564454649
/dev/sdb2 : start=        4096, size=     2097152, type=C12A7328-F81F-11D2-BA4B-00A0C93EC93B
/dev/sdb3 : start=     2101248, size=            +, type=0FC63DAF-8483-4772-8E79-3D69D8477DE4
EOF