user: Please show me the C implementation that matches the assembly code listed below:

```asm
<main>:
  endbr64
  push   %rbx
  sub    $0x40,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x38(%rsp)
  xor    %eax,%eax
  movl   $0x0,(%rsp)
  lea    0x20(%rsp),%rbx
  jmp    L247
L267:
  mov    0x2c(%rsp),%eax
  lea    0x1(%rax),%edx
  mov    %edx,0x2c(%rsp)
  cmp    $0x5,%edx
  jg     L49
L236:
  mov    0x10(%rsp),%eax
  sub    $0x1,%eax
  imul   0x20(%rsp),%eax
  add    (%rsp),%eax
  cmp    $0x7,%eax
  jg     L267
  mov    0x14(%rsp),%eax
  sub    $0x1,%eax
  imul   0x24(%rsp),%eax
  add    0x4(%rsp),%eax
  cmp    $0x5,%eax
  jg     L267
  mov    0x18(%rsp),%eax
  sub    $0x1,%eax
  imul   0x28(%rsp),%eax
  add    0x8(%rsp),%eax
  cmp    $0x3,%eax
  jg     L267
  mov    0x1c(%rsp),%eax
  sub    $0x1,%eax
  imul   %edx,%eax
  add    0xc(%rsp),%eax
  cmp    $0x5,%eax
  jg     L267
  lea    0x10(%rsp),%rsi
  mov    %rsp,%rdi
  mov    %rbx,%rdx
  call   <test@plt>
  jmp    L267
L49:
  mov    0x1c(%rsp),%eax
  add    $0x1,%eax
  mov    %eax,0x1c(%rsp)
  cmp    $0x6,%eax
  jg     L26
L268:
  movl   $0x1,0x2c(%rsp)
  mov    $0x1,%edx
  jmp    L236
L26:
  mov    0xc(%rsp),%eax
  add    $0x1,%eax
  mov    %eax,0xc(%rsp)
  cmp    $0x5,%eax
  jg     L229
L269:
  movl   $0x2,0x1c(%rsp)
  jmp    L268
L229:
  mov    0x28(%rsp),%eax
  add    $0x1,%eax
  mov    %eax,0x28(%rsp)
  cmp    $0x3,%eax
  jg     L112
L85:
  movl   $0x0,0xc(%rsp)
  jmp    L269
L112:
  mov    0x18(%rsp),%eax
  add    $0x1,%eax
  mov    %eax,0x18(%rsp)
  cmp    $0x4,%eax
  jg     L277
L197:
  movl   $0x1,0x28(%rsp)
  jmp    L85
L277:
  mov    0x8(%rsp),%eax
  add    $0x1,%eax
  mov    %eax,0x8(%rsp)
  cmp    $0x3,%eax
  jg     L28
L166:
  movl   $0x2,0x18(%rsp)
  jmp    L197
L28:
  mov    0x24(%rsp),%eax
  add    $0x1,%eax
  mov    %eax,0x24(%rsp)
  cmp    $0x5,%eax
  jg     L139
L62:
  movl   $0x0,0x8(%rsp)
  jmp    L166
L139:
  mov    0x14(%rsp),%eax
  add    $0x1,%eax
  mov    %eax,0x14(%rsp)
  cmp    $0x6,%eax
  jg     L140
L34:
  movl   $0x1,0x24(%rsp)
  jmp    L62
L140:
  mov    0x4(%rsp),%eax
  add    $0x1,%eax
  mov    %eax,0x4(%rsp)
  cmp    $0x5,%eax
  jg     L231
L53:
  movl   $0x2,0x14(%rsp)
  jmp    L34
L231:
  mov    0x20(%rsp),%eax
  add    $0x1,%eax
  mov    %eax,0x20(%rsp)
  cmp    $0x7,%eax
  jg     L11
L45:
  movl   $0x0,0x4(%rsp)
  jmp    L53
L11:
  mov    0x10(%rsp),%eax
  add    $0x1,%eax
  mov    %eax,0x10(%rsp)
  cmp    $0x8,%eax
  jg     L135
L120:
  movl   $0x1,0x20(%rsp)
  jmp    L45
L135:
  mov    (%rsp),%eax
  add    $0x1,%eax
  mov    %eax,(%rsp)
  cmp    $0x7,%eax
  jg     L248
L247:
  movl   $0x2,0x10(%rsp)
  jmp    L120
L248:
  mov    0x38(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L64
  mov    $0x0,%eax
  add    $0x40,%rsp
  pop    %rbx
  ret
L64:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
int main() {
  int start[4], len[4], stride[4];
  for (start[0] = 0; start[0] < 8; start[0]++) {
    for (len[0] = 2; len[0] <= 8; len[0]++) {
      for (stride[0] = 1; stride[0] < 8; stride[0]++) {
        for (start[1] = 0; start[1] < 6; start[1]++) {
          for (len[1] = 2; len[1] <= 6; len[1]++) {
            for (stride[1] = 1; stride[1] < 6; stride[1]++) {
              for (start[2] = 0; start[2] < 4; start[2]++) {
                for (len[2] = 2; len[2] <= 4; len[2]++) {
                  for (stride[2] = 1; stride[2] < 4; stride[2]++) {
                    for (start[3] = 0; start[3] < 6; start[3]++) {
                      for (len[3] = 2; len[3] <= 6; len[3]++) {
                        for (stride[3] = 1; stride[3] < 6; stride[3]++) {
                          if ((start[0] + (len[0] - 1) * stride[0] < 8) && (start[1] + (len[1] - 1) * stride[1] < 6) && (start[2] + (len[2] - 1) * stride[2] < 4) && (start[3] + (len[3] - 1) * stride[3] < 6)) {
                            test(start, len, stride);
                          }
                        }
                      }
                    }
                  }
                }
              }
            }
          }
        }
      }
    }
  }
  return 0;
}
```