brainfuck, 103 96 95 91 87 bytes

+++++[>+++++>++<<-]>+[[<<<+>>>-]----[<+>----]<+<<[>+>+>+<<<-]>-]>>[[<.>-]>[.>>]<<[<]>>]

This uses Esolangs' brainfuck constant for 64. Try it online!

brainfuck, 103 96 95 91 87 bytes

+++++[>+++++>++<<-]>+[[<<<+>>>-]----[<+>----]<+<<[>+>+>+<<<-]>-]>>[[<.>-]>[.>>]<<[<]>>]

This uses Esolangs' brainfuck constant for 64. Try it online!

brainfuck, 103 96 95 91 bytes

++[[+<]>+>++]++++++++++<-[[<<<+>>>-]----[<+>----]<+<<[>+>+>+<<<-]>-]>>[[<.>-]>[.>>]<<[<]>>]

This uses Esolangs' brainfuck constants for 26 and 64. Try it online!

brainfuck, 103 96 95 91 87 bytes

+++++[>+++++>++<<-]>+[[<<<+>>>-]----[<+>----]<+<<[>+>+>+<<<-]>-]>>[[<.>-]>[.>>]<<[<]>>]

This uses Esolangs' brainfuck constant for 64. Try it online!

brainfuck, 103 96 95 bytes

++[[+<]>+>++]<-[[<+<+>>-]<<<----[>+<----]>+[>>+<<-]>-]>[[<+>-]<[<]>[.+>]>[.>]++++++++++.,<[<]>]

Try it online!

This does roughly the same as my Sesos answer, where you can find an explanation of the algorithm.

The only difference is that setting a cell to 26 and adding 64 to another one is not straightforward. For these parts, I have used this and this algorithms from Esolangs' brainfuck constants.

brainfuck, 103 96 95 91 bytes

++[[+<]>+>++]++++++++++<-[[<<<+>>>-]----[<+>----]<+<<[>+>+>+<<<-]>-]>>[[<.>-]>[.>>]<<[<]>>]

This uses Esolangs' brainfuck constants for 26 and 64. Try it online!