—Case 1 (without comma)
a b c d: "1" or "2" or E F G: H
↓
|a b c d: "1" or "2" or E F G: H|
—Case 2 (with comma)
a b, c d: "1" or "2" or E F G: H
↓
| a b | c d: "1" or "2" or E F G: H |
Actual output:
—Case 1 (without comma)
a b c d: "1" or "2" or E F G: H
↓
| a | b | c | d: | 1 | or | 2 | or | E | F | G: | H |
—Case 2 (with comma)
a b, c d: "1" or "2" or E F G: H
↓
| a | b, | c | d: | 1 | or | 2 | or | E | F | G: | H |
Expected:
Actual output: