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↨ borks exit code of Symbolic Brainfuck, it is fixed with →. The code size became larger than 14000, so I added another 10 Ws to AlphaBeta code.

↨ borks exit code of Symbolic Brainfuck, it is fixed with →. The code size exceeded 14000, so I added another 10 Ws to AlphaBeta code.

The single ↨ switches the command pointer from 3 to nil, ↨↨ doesn't change the command pointer when it is nil.

The loop element is ↨↨↑. The single ↨ switches the command pointer from 3 to nil after the jump, ↨↨ doesn't change the command pointer when it is nil (when executing sequentially).

The simple way to print a number is ↑↑↑↑↑↑↑↑↑↑ ↕↕. But 300 ↑ takes 900 bytes, better use a loop. To create a bf-like loop, we need to be able to switch command pointer from 0 to nil, but this can't be done without printing the data pointer. So I use jump offset as a loop counter.

The simple way to print a number is ↑↑↑↑↑↑↑↑↑↑ ↕↕. But 300 ↑ takes 900 bytes, better use a loop. To create a bf-like loop, we need to be able to switch command pointer from 0 to nil, but this can't be done without printing the data pointer. So I use jump offset as a loop counter and the data pointer as an accumulator.