"If you are looking for another wallet that has the same first 10 digits as a wallet that starts with 1BY8GQbnu.
You will definitely find a number above or below between 78000000000009990000 and 78600000000000990000."
I got one "1BY8GQbnu" starting with 72? what do you mean?
Example;
1BY8GQbnu eYebq5d6CE1wDfbdAWWy33ZyW
Hex: 7545BF10859946ECA
Decimal: 135205925656198409930
135205925656198409930 + 7854081439646132696 = 143060007095844542626
Dec: 143060007095844542626
Hex: 7C15B3E7D40AD18A2
Wallet: 1BY8GQbnueRbgSZN9KRxAyXV8fQAkkBjiv