I took the index in the words, converted the amount to binary, included a few zeros, calculated the sha256 digest, took the very first part of the hexadecimal to convert it to binary, extra three zeros on the eight digits in the binary and bought 00000010011 which translates to 19 https://wavesocialmedia.com/story4545825/the-5-second-trick-for-ledger-seed-phrase-bip39