--- source bytes (note the raw 037 = 0x1F) ---
0000020    l   e   t       s   e   p   :       S   t   r   i   n   g    
0000040    =       " 037   "  \n                   p   r   i   n   t   l
--- emitted run 1 ---
8:  el_val_t sep = EL_STR("4344967392");
--- emitted run 2 ---
8:  el_val_t sep = EL_STR("4347851136");
--- emitted run 3 ---
8:  el_val_t sep = EL_STR("4384031472");