user: Demonstrate the C code that generates the assembly output below:

```asm
<foursquareDecipher>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  add    $0xffffffffffffff80,%rsp
  mov    %rdi,-0x58(%rbp)
  mov    %rsi,-0x60(%rbp)
  mov    %rdx,-0x68(%rbp)
  mov    %rcx,-0x70(%rbp)
  mov    %r8d,-0x74(%rbp)
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  movabs $0x4847464544434241,%rax
  movabs $0x51504f4e4d4c4b49,%rdx
  mov    %rax,-0x30(%rbp)
  mov    %rdx,-0x28(%rbp)
  movabs $0x5958575655545352,%rax
  mov    %rax,-0x20(%rbp)
  movw   $0x5a,-0x18(%rbp)
  movl   $0x0,-0x4c(%rbp)
  jmp    L26
L25:
  mov    -0x4c(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x68(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  mov    %al,-0x4e(%rbp)
  mov    -0x4c(%rbp),%eax
  cltq
  lea    0x1(%rax),%rdx
  mov    -0x68(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  mov    %al,-0x4d(%rbp)
  movsbl -0x4e(%rbp),%edx
  mov    -0x58(%rbp),%rax
  mov    %edx,%esi
  mov    %rax,%rdi
  call   <strchr@plt>
  sub    -0x58(%rbp),%rax
  mov    %eax,-0x48(%rbp)
  movsbl -0x4d(%rbp),%edx
  mov    -0x60(%rbp),%rax
  mov    %edx,%esi
  mov    %rax,%rdi
  call   <strchr@plt>
  sub    -0x60(%rbp),%rax
  mov    %eax,-0x44(%rbp)
  mov    -0x48(%rbp),%eax
  movslq %eax,%rdx
  imul   $0x66666667,%rdx,%rdx
  shr    $0x20,%rdx
  sar    %edx
  sar    $0x1f,%eax
  mov    %eax,%ecx
  mov    %edx,%eax
  sub    %ecx,%eax
  mov    %eax,-0x40(%rbp)
  mov    -0x44(%rbp),%eax
  movslq %eax,%rdx
  imul   $0x66666667,%rdx,%rdx
  shr    $0x20,%rdx
  sar    %edx
  sar    $0x1f,%eax
  mov    %eax,%ecx
  mov    %edx,%eax
  sub    %ecx,%eax
  mov    %eax,-0x3c(%rbp)
  mov    -0x48(%rbp),%eax
  movslq %eax,%rdx
  imul   $0x66666667,%rdx,%rdx
  shr    $0x20,%rdx
  sar    %edx
  mov    %eax,%esi
  sar    $0x1f,%esi
  mov    %edx,%ecx
  sub    %esi,%ecx
  mov    %ecx,%edx
  shl    $0x2,%edx
  add    %ecx,%edx
  sub    %edx,%eax
  mov    %eax,-0x38(%rbp)
  mov    -0x44(%rbp),%eax
  movslq %eax,%rdx
  imul   $0x66666667,%rdx,%rdx
  shr    $0x20,%rdx
  sar    %edx
  mov    %eax,%esi
  sar    $0x1f,%esi
  mov    %edx,%ecx
  sub    %esi,%ecx
  mov    %ecx,%edx
  shl    $0x2,%edx
  add    %ecx,%edx
  sub    %edx,%eax
  mov    %eax,-0x34(%rbp)
  mov    -0x40(%rbp),%edx
  mov    %edx,%eax
  shl    $0x2,%eax
  add    %eax,%edx
  mov    -0x34(%rbp),%eax
  lea    (%rdx,%rax,1),%ecx
  mov    -0x4c(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x70(%rbp),%rax
  add    %rax,%rdx
  movslq %ecx,%rax
  movzbl -0x30(%rbp,%rax,1),%eax
  mov    %al,(%rdx)
  mov    -0x3c(%rbp),%edx
  mov    %edx,%eax
  shl    $0x2,%eax
  add    %eax,%edx
  mov    -0x38(%rbp),%eax
  lea    (%rdx,%rax,1),%ecx
  mov    -0x4c(%rbp),%eax
  cltq
  lea    0x1(%rax),%rdx
  mov    -0x70(%rbp),%rax
  add    %rax,%rdx
  movslq %ecx,%rax
  movzbl -0x30(%rbp,%rax,1),%eax
  mov    %al,(%rdx)
  addl   $0x2,-0x4c(%rbp)
L26:
  mov    -0x4c(%rbp),%eax
  cmp    -0x74(%rbp),%eax
  jl     L25
  mov    -0x4c(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x70(%rbp),%rax
  add    %rdx,%rax
  movb   $0x0,(%rax)
  mov    -0x70(%rbp),%rax
  mov    -0x8(%rbp),%rdx
  sub    %fs:0x28,%rdx
  je     L18
  call   <__stack_chk_fail@plt>
L18:
  leave
  ret
```

assistant: ```c
char *foursquareDecipher(char *key1, char *key2, char *text, char *result, int len) {
  int i;
  char a, b;
  int a_ind, b_ind;
  int a_row, b_row;
  int a_col, b_col;
  char alph[] = "ABCDEFGHIKLMNOPQRSTUVWXYZ";
  for (i = 0; i < len; i += 2) {
    a = text[i];
    b = text[i + 1];
    a_ind = (int)(strchr(key1, a) - key1);
    b_ind = (int)(strchr(key2, b) - key2);
    a_row = a_ind / 5;
    b_row = b_ind / 5;
    a_col = a_ind % 5;
    b_col = b_ind % 5;
    result[i] = alph[5 * a_row + b_col];
    result[i + 1] = alph[5 * b_row + a_col];
  }
  result[i] = '\0';
  return result;
}
```