# subkey series
ku -w P:foo -s 5-10
xprv9uat5uhfTLHopHUsGxex2soJhWDRKb5FVu9rEKjaNNZGUWhrtgWigXCJqPafqKYAosYpgzw9L64C1HJvu2t54UJ9DYZWBsVcfHzUKUGhopL
xprv9uat5uhfTLHor4pRp24tWu9uKTsh8X5MFK7UL6pFZtDrQnp9XzogPncQzntHtZ23tMKPiUyPedgXb55Z7rYrngBNuzwCbyNUXGUraeicShc
xprv9uat5uhfTLHotJ6A9975wtLJbwBqSrER9fbReXdcwBtDNWJX2LWsumZQD3o3ypufv6JxH2k5FdJC4XFR65m3UQEeievrMivEWMyKA2RJswm
xprv9uat5uhfTLHov1KwMTD6t6xTz9vXkDqQEfEmBse3z47Ji3dZYmm2MA4vNHmQyXkN9JKetTW6PCXHVGc5mXSFmZqGrdk1vEGsNG6cLv5NXT8
xprv9uat5uhfTLHozGhPVHrVsL2iVy4uXXfKeDnGzavFzzf2iMFBUu9vSzmBFUoD6frq5o1sYLPocoaWo2xnqeeAHmVXBJ9gf8LypAEftHTc3Bh
xprv9uat5uhfTLHp31Y2AMWndxq7uVH11yQY8neX9SS2A1LmykWBDkWh7Mz2MvfvHeiVR5u99yXuyqhEZKvgKgTpSQCiJmMN6vWy44TAiYnqHMa
